Home / 144,683.48-199,672.70-81,025.38

Finding the Fourth Proportional to 144,683.48, 199,672.70 and 81,025.38

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Solution

The fourth proportional to 144,683.48, 199,672.70 and 81,025.38 is: 111,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,683.48 : 199,672.70 = 81,025.38 : x
  2. Step 2: Convert to fraction form
    144,683.48/199,672.70 = 81,025.38/x
  3. Step 3: Cross multiply
    144,683.48x = 199,672.70 × 81,025.38
  4. Step 4: Simplify right side
    144,683.48x = 16,178,555,988.00
  5. Step 5: Solve for x
    x = 16,178,555,988.00/144,683.48
  6. Step 6: Final answer
    x = 111,820.34

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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.