Home / 234,505.15-351,498.53-129,399.55

Finding the Fourth Proportional to 234,505.15, 351,498.53 and 129,399.55

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Solution

The fourth proportional to 234,505.15, 351,498.53 and 129,399.55 is: 193,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,505.15 : 351,498.53 = 129,399.55 : x
  2. Step 2: Convert to fraction form
    234,505.15/351,498.53 = 129,399.55/x
  3. Step 3: Cross multiply
    234,505.15x = 351,498.53 × 129,399.55
  4. Step 4: Simplify right side
    234,505.15x = 45,483,750,960.66
  5. Step 5: Solve for x
    x = 45,483,750,960.66/234,505.15
  6. Step 6: Final answer
    x = 193,956.30

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1.5x scale

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.