Home / 132,186.71-198,238.07-43,419.55

Finding the Fourth Proportional to 132,186.71, 198,238.07 and 43,419.55

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Solution

The fourth proportional to 132,186.71, 198,238.07 and 43,419.55 is: 65,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,186.71 : 198,238.07 = 43,419.55 : x
  2. Step 2: Convert to fraction form
    132,186.71/198,238.07 = 43,419.55/x
  3. Step 3: Cross multiply
    132,186.71x = 198,238.07 × 43,419.55
  4. Step 4: Simplify right side
    132,186.71x = 8,607,407,792.27
  5. Step 5: Solve for x
    x = 8,607,407,792.27/132,186.71
  6. Step 6: Final answer
    x = 65,115.53

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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.