Home / 148,781.34-223,147.38-48,942.78

Finding the Fourth Proportional to 148,781.34, 223,147.38 and 48,942.78

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Solution

The fourth proportional to 148,781.34, 223,147.38 and 48,942.78 is: 73,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,781.34 : 223,147.38 = 48,942.78 : x
  2. Step 2: Convert to fraction form
    148,781.34/223,147.38 = 48,942.78/x
  3. Step 3: Cross multiply
    148,781.34x = 223,147.38 × 48,942.78
  4. Step 4: Simplify right side
    148,781.34x = 10,921,453,126.92
  5. Step 5: Solve for x
    x = 10,921,453,126.92/148,781.34
  6. Step 6: Final answer
    x = 73,406.07

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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.