Home / 284,233.86-392,243.04-156,909.96

Finding the Fourth Proportional to 284,233.86, 392,243.04 and 156,909.96

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Solution

The fourth proportional to 284,233.86, 392,243.04 and 156,909.96 is: 216,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,233.86 : 392,243.04 = 156,909.96 : x
  2. Step 2: Convert to fraction form
    284,233.86/392,243.04 = 156,909.96/x
  3. Step 3: Cross multiply
    284,233.86x = 392,243.04 × 156,909.96
  4. Step 4: Simplify right side
    284,233.86x = 61,546,839,716.68
  5. Step 5: Solve for x
    x = 61,546,839,716.68/284,233.86
  6. Step 6: Final answer
    x = 216,535.92

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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.