Home / 284,154.57-392,132.50-156,829.25

Finding the Fourth Proportional to 284,154.57, 392,132.50 and 156,829.25

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Solution

The fourth proportional to 284,154.57, 392,132.50 and 156,829.25 is: 216,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,154.57 : 392,132.50 = 156,829.25 : x
  2. Step 2: Convert to fraction form
    284,154.57/392,132.50 = 156,829.25/x
  3. Step 3: Cross multiply
    284,154.57x = 392,132.50 × 156,829.25
  4. Step 4: Simplify right side
    284,154.57x = 61,497,845,091.48
  5. Step 5: Solve for x
    x = 61,497,845,091.48/284,154.57
  6. Step 6: Final answer
    x = 216,423.92

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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.