Home / 148,727.80-222,800.10-89,387.20

Finding the Fourth Proportional to 148,727.80, 222,800.10 and 89,387.20

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Solution

The fourth proportional to 148,727.80, 222,800.10 and 89,387.20 is: 133,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,727.80 : 222,800.10 = 89,387.20 : x
  2. Step 2: Convert to fraction form
    148,727.80/222,800.10 = 89,387.20/x
  3. Step 3: Cross multiply
    148,727.80x = 222,800.10 × 89,387.20
  4. Step 4: Simplify right side
    148,727.80x = 19,915,477,098.72
  5. Step 5: Solve for x
    x = 19,915,477,098.72/148,727.80
  6. Step 6: Final answer
    x = 133,905.54

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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.