Home / 424,851.20-637,125.03-140,489.27

Finding the Fourth Proportional to 424,851.20, 637,125.03 and 140,489.27

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Solution

The fourth proportional to 424,851.20, 637,125.03 and 140,489.27 is: 210,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,851.20 : 637,125.03 = 140,489.27 : x
  2. Step 2: Convert to fraction form
    424,851.20/637,125.03 = 140,489.27/x
  3. Step 3: Cross multiply
    424,851.20x = 637,125.03 × 140,489.27
  4. Step 4: Simplify right side
    424,851.20x = 89,509,227,177.80
  5. Step 5: Solve for x
    x = 89,509,227,177.80/424,851.20
  6. Step 6: Final answer
    x = 210,683.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.