Home / 132,198.42-198,268.47-38,711.46

Finding the Fourth Proportional to 132,198.42, 198,268.47 and 38,711.46

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Solution

The fourth proportional to 132,198.42, 198,268.47 and 38,711.46 is: 58,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,198.42 : 198,268.47 = 38,711.46 : x
  2. Step 2: Convert to fraction form
    132,198.42/198,268.47 = 38,711.46/x
  3. Step 3: Cross multiply
    132,198.42x = 198,268.47 × 38,711.46
  4. Step 4: Simplify right side
    132,198.42x = 7,675,261,945.67
  5. Step 5: Solve for x
    x = 7,675,261,945.67/132,198.42
  6. Step 6: Final answer
    x = 58,058.65

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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.