Home / 284,176.89-392,161.60-156,849.75

Finding the Fourth Proportional to 284,176.89, 392,161.60 and 156,849.75

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Solution

The fourth proportional to 284,176.89, 392,161.60 and 156,849.75 is: 216,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,176.89 : 392,161.60 = 156,849.75 : x
  2. Step 2: Convert to fraction form
    284,176.89/392,161.60 = 156,849.75/x
  3. Step 3: Cross multiply
    284,176.89x = 392,161.60 × 156,849.75
  4. Step 4: Simplify right side
    284,176.89x = 61,510,449,115.66
  5. Step 5: Solve for x
    x = 61,510,449,115.66/284,176.89
  6. Step 6: Final answer
    x = 216,451.27

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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.