Home / 133,140.73-199,772.85-58,251.02

Finding the Fourth Proportional to 133,140.73, 199,772.85 and 58,251.02

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Solution

The fourth proportional to 133,140.73, 199,772.85 and 58,251.02 is: 87,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,140.73 : 199,772.85 = 58,251.02 : x
  2. Step 2: Convert to fraction form
    133,140.73/199,772.85 = 58,251.02/x
  3. Step 3: Cross multiply
    133,140.73x = 199,772.85 × 58,251.02
  4. Step 4: Simplify right side
    133,140.73x = 11,636,970,990.69
  5. Step 5: Solve for x
    x = 11,636,970,990.69/133,140.73
  6. Step 6: Final answer
    x = 87,403.54

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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.