Home / 234,909.20-324,174.92-127,479.24

Finding the Fourth Proportional to 234,909.20, 324,174.92 and 127,479.24

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Solution

The fourth proportional to 234,909.20, 324,174.92 and 127,479.24 is: 175,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,909.20 : 324,174.92 = 127,479.24 : x
  2. Step 2: Convert to fraction form
    234,909.20/324,174.92 = 127,479.24/x
  3. Step 3: Cross multiply
    234,909.20x = 324,174.92 × 127,479.24
  4. Step 4: Simplify right side
    234,909.20x = 41,325,572,428.66
  5. Step 5: Solve for x
    x = 41,325,572,428.66/234,909.20
  6. Step 6: Final answer
    x = 175,921.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.