Home / 466,132.71-699,197.07-129,172.40

Finding the Fourth Proportional to 466,132.71, 699,197.07 and 129,172.40

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Solution

The fourth proportional to 466,132.71, 699,197.07 and 129,172.40 is: 193,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,132.71 : 699,197.07 = 129,172.40 : x
  2. Step 2: Convert to fraction form
    466,132.71/699,197.07 = 129,172.40/x
  3. Step 3: Cross multiply
    466,132.71x = 699,197.07 × 129,172.40
  4. Step 4: Simplify right side
    466,132.71x = 90,316,963,215.27
  5. Step 5: Solve for x
    x = 90,316,963,215.27/466,132.71
  6. Step 6: Final answer
    x = 193,758.04

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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.