Home / 144,344.83-199,190.50-80,683.69

Finding the Fourth Proportional to 144,344.83, 199,190.50 and 80,683.69

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Solution

The fourth proportional to 144,344.83, 199,190.50 and 80,683.69 is: 111,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,344.83 : 199,190.50 = 80,683.69 : x
  2. Step 2: Convert to fraction form
    144,344.83/199,190.50 = 80,683.69/x
  3. Step 3: Cross multiply
    144,344.83x = 199,190.50 × 80,683.69
  4. Step 4: Simplify right side
    144,344.83x = 16,071,424,552.95
  5. Step 5: Solve for x
    x = 16,071,424,552.95/144,344.83
  6. Step 6: Final answer
    x = 111,340.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 144,345.83, 199,191.88 and 80,684.69
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.