Home / 457,666.03-686,468.25-158,150.71

Finding the Fourth Proportional to 457,666.03, 686,468.25 and 158,150.71

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Solution

The fourth proportional to 457,666.03, 686,468.25 and 158,150.71 is: 237,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,666.03 : 686,468.25 = 158,150.71 : x
  2. Step 2: Convert to fraction form
    457,666.03/686,468.25 = 158,150.71/x
  3. Step 3: Cross multiply
    457,666.03x = 686,468.25 × 158,150.71
  4. Step 4: Simplify right side
    457,666.03x = 108,565,441,129.96
  5. Step 5: Solve for x
    x = 108,565,441,129.96/457,666.03
  6. Step 6: Final answer
    x = 237,215.42

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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.