Home / 423,655.19-635,487.92-124,141.85

Finding the Fourth Proportional to 423,655.19, 635,487.92 and 124,141.85

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Solution

The fourth proportional to 423,655.19, 635,487.92 and 124,141.85 is: 186,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,655.19 : 635,487.92 = 124,141.85 : x
  2. Step 2: Convert to fraction form
    423,655.19/635,487.92 = 124,141.85/x
  3. Step 3: Cross multiply
    423,655.19x = 635,487.92 × 124,141.85
  4. Step 4: Simplify right side
    423,655.19x = 78,890,642,864.01
  5. Step 5: Solve for x
    x = 78,890,642,864.01/423,655.19
  6. Step 6: Final answer
    x = 186,214.27

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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.