Home / 381,749.30-572,478.03-125,522.18

Finding the Fourth Proportional to 381,749.30, 572,478.03 and 125,522.18

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Solution

The fourth proportional to 381,749.30, 572,478.03 and 125,522.18 is: 188,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,749.30 : 572,478.03 = 125,522.18 : x
  2. Step 2: Convert to fraction form
    381,749.30/572,478.03 = 125,522.18/x
  3. Step 3: Cross multiply
    381,749.30x = 572,478.03 × 125,522.18
  4. Step 4: Simplify right side
    381,749.30x = 71,858,690,327.71
  5. Step 5: Solve for x
    x = 71,858,690,327.71/381,749.30
  6. Step 6: Final answer
    x = 188,235.29

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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.