Home / 144,619.53-199,572.73-80,959.60

Finding the Fourth Proportional to 144,619.53, 199,572.73 and 80,959.60

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Solution

The fourth proportional to 144,619.53, 199,572.73 and 80,959.60 is: 111,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.53 : 199,572.73 = 80,959.60 : x
  2. Step 2: Convert to fraction form
    144,619.53/199,572.73 = 80,959.60/x
  3. Step 3: Cross multiply
    144,619.53x = 199,572.73 × 80,959.60
  4. Step 4: Simplify right side
    144,619.53x = 16,157,328,391.71
  5. Step 5: Solve for x
    x = 16,157,328,391.71/144,619.53
  6. Step 6: Final answer
    x = 111,723.00

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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.