Home / 284,186.43-392,177.31-156,862.08

Finding the Fourth Proportional to 284,186.43, 392,177.31 and 156,862.08

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Solution

The fourth proportional to 284,186.43, 392,177.31 and 156,862.08 is: 216,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,186.43 : 392,177.31 = 156,862.08 : x
  2. Step 2: Convert to fraction form
    284,186.43/392,177.31 = 156,862.08/x
  3. Step 3: Cross multiply
    284,186.43x = 392,177.31 × 156,862.08
  4. Step 4: Simplify right side
    284,186.43x = 61,517,748,575.40
  5. Step 5: Solve for x
    x = 61,517,748,575.40/284,186.43
  6. Step 6: Final answer
    x = 216,469.69

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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.