Home / 148,990.38-223,626.01-54,312.06

Finding the Fourth Proportional to 148,990.38, 223,626.01 and 54,312.06

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Solution

The fourth proportional to 148,990.38, 223,626.01 and 54,312.06 is: 81,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,990.38 : 223,626.01 = 54,312.06 : x
  2. Step 2: Convert to fraction form
    148,990.38/223,626.01 = 54,312.06/x
  3. Step 3: Cross multiply
    148,990.38x = 223,626.01 × 54,312.06
  4. Step 4: Simplify right side
    148,990.38x = 12,145,589,272.68
  5. Step 5: Solve for x
    x = 12,145,589,272.68/148,990.38
  6. Step 6: Final answer
    x = 81,519.29

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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.