Home / 148,939.70-223,409.55-89,744.90

Finding the Fourth Proportional to 148,939.70, 223,409.55 and 89,744.90

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Solution

The fourth proportional to 148,939.70, 223,409.55 and 89,744.90 is: 134,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.70 : 223,409.55 = 89,744.90 : x
  2. Step 2: Convert to fraction form
    148,939.70/223,409.55 = 89,744.90/x
  3. Step 3: Cross multiply
    148,939.70x = 223,409.55 × 89,744.90
  4. Step 4: Simplify right side
    148,939.70x = 20,049,867,723.80
  5. Step 5: Solve for x
    x = 20,049,867,723.80/148,939.70
  6. Step 6: Final answer
    x = 134,617.35

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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.