Home / 457,972.44-686,790.17-158,376.12

Finding the Fourth Proportional to 457,972.44, 686,790.17 and 158,376.12

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Solution

The fourth proportional to 457,972.44, 686,790.17 and 158,376.12 is: 237,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,972.44 : 686,790.17 = 158,376.12 : x
  2. Step 2: Convert to fraction form
    457,972.44/686,790.17 = 158,376.12/x
  3. Step 3: Cross multiply
    457,972.44x = 686,790.17 × 158,376.12
  4. Step 4: Simplify right side
    457,972.44x = 108,771,162,378.74
  5. Step 5: Solve for x
    x = 108,771,162,378.74/457,972.44
  6. Step 6: Final answer
    x = 237,505.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.