Home / 132,234.35-198,381.47-43,488.63

Finding the Fourth Proportional to 132,234.35, 198,381.47 and 43,488.63

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Solution

The fourth proportional to 132,234.35, 198,381.47 and 43,488.63 is: 65,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,234.35 : 198,381.47 = 43,488.63 : x
  2. Step 2: Convert to fraction form
    132,234.35/198,381.47 = 43,488.63/x
  3. Step 3: Cross multiply
    132,234.35x = 198,381.47 × 43,488.63
  4. Step 4: Simplify right side
    132,234.35x = 8,627,338,130.24
  5. Step 5: Solve for x
    x = 8,627,338,130.24/132,234.35
  6. Step 6: Final answer
    x = 65,242.79

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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.