Home / 284,876.28-393,095.16-157,534.56

Finding the Fourth Proportional to 284,876.28, 393,095.16 and 157,534.56

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Solution

The fourth proportional to 284,876.28, 393,095.16 and 157,534.56 is: 217,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,876.28 : 393,095.16 = 157,534.56 : x
  2. Step 2: Convert to fraction form
    284,876.28/393,095.16 = 157,534.56/x
  3. Step 3: Cross multiply
    284,876.28x = 393,095.16 × 157,534.56
  4. Step 4: Simplify right side
    284,876.28x = 61,926,073,068.73
  5. Step 5: Solve for x
    x = 61,926,073,068.73/284,876.28
  6. Step 6: Final answer
    x = 217,378.83

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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.