Home / 457,905.59-686,963.01-158,385.92

Finding the Fourth Proportional to 457,905.59, 686,963.01 and 158,385.92

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Solution

The fourth proportional to 457,905.59, 686,963.01 and 158,385.92 is: 237,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,905.59 : 686,963.01 = 158,385.92 : x
  2. Step 2: Convert to fraction form
    457,905.59/686,963.01 = 158,385.92/x
  3. Step 3: Cross multiply
    457,905.59x = 686,963.01 × 158,385.92
  4. Step 4: Simplify right side
    457,905.59x = 108,805,264,910.00
  5. Step 5: Solve for x
    x = 108,805,264,910.00/457,905.59
  6. Step 6: Final answer
    x = 237,615.06

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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.