Home / 237,419.32-327,626.22-129,968.78

Finding the Fourth Proportional to 237,419.32, 327,626.22 and 129,968.78

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Solution

The fourth proportional to 237,419.32, 327,626.22 and 129,968.78 is: 179,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,419.32 : 327,626.22 = 129,968.78 : x
  2. Step 2: Convert to fraction form
    237,419.32/327,626.22 = 129,968.78/x
  3. Step 3: Cross multiply
    237,419.32x = 327,626.22 × 129,968.78
  4. Step 4: Simplify right side
    237,419.32x = 42,581,180,109.41
  5. Step 5: Solve for x
    x = 42,581,180,109.41/237,419.32
  6. Step 6: Final answer
    x = 179,350.11

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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.