Home / 284,186.32-392,177.16-156,861.96

Finding the Fourth Proportional to 284,186.32, 392,177.16 and 156,861.96

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Solution

The fourth proportional to 284,186.32, 392,177.16 and 156,861.96 is: 216,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,186.32 : 392,177.16 = 156,861.96 : x
  2. Step 2: Convert to fraction form
    284,186.32/392,177.16 = 156,861.96/x
  3. Step 3: Cross multiply
    284,186.32x = 392,177.16 × 156,861.96
  4. Step 4: Simplify right side
    284,186.32x = 61,517,677,984.83
  5. Step 5: Solve for x
    x = 61,517,677,984.83/284,186.32
  6. Step 6: Final answer
    x = 216,469.53

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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.