Home / 534,905.07-802,404.31-135,545.86

Finding the Fourth Proportional to 534,905.07, 802,404.31 and 135,545.86

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Solution

The fourth proportional to 534,905.07, 802,404.31 and 135,545.86 is: 203,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,905.07 : 802,404.31 = 135,545.86 : x
  2. Step 2: Convert to fraction form
    534,905.07/802,404.31 = 135,545.86/x
  3. Step 3: Cross multiply
    534,905.07x = 802,404.31 × 135,545.86
  4. Step 4: Simplify right side
    534,905.07x = 108,762,583,439.09
  5. Step 5: Solve for x
    x = 108,762,583,439.09/534,905.07
  6. Step 6: Final answer
    x = 203,330.63

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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.