Home / 132,192.88-198,247.28-43,425.80

Finding the Fourth Proportional to 132,192.88, 198,247.28 and 43,425.80

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Solution

The fourth proportional to 132,192.88, 198,247.28 and 43,425.80 is: 65,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192.88 : 198,247.28 = 43,425.80 : x
  2. Step 2: Convert to fraction form
    132,192.88/198,247.28 = 43,425.80/x
  3. Step 3: Cross multiply
    132,192.88x = 198,247.28 × 43,425.80
  4. Step 4: Simplify right side
    132,192.88x = 8,609,046,731.82
  5. Step 5: Solve for x
    x = 8,609,046,731.82/132,192.88
  6. Step 6: Final answer
    x = 65,124.89

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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.