Home / 284,233.19-392,243.06-156,909.83

Finding the Fourth Proportional to 284,233.19, 392,243.06 and 156,909.83

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Solution

The fourth proportional to 284,233.19, 392,243.06 and 156,909.83 is: 216,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,233.19 : 392,243.06 = 156,909.83 : x
  2. Step 2: Convert to fraction form
    284,233.19/392,243.06 = 156,909.83/x
  3. Step 3: Cross multiply
    284,233.19x = 392,243.06 × 156,909.83
  4. Step 4: Simplify right side
    284,233.19x = 61,546,791,863.28
  5. Step 5: Solve for x
    x = 61,546,791,863.28/284,233.19
  6. Step 6: Final answer
    x = 216,536.26

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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.