Home / 132,326.79-198,489.87-57,437.22

Finding the Fourth Proportional to 132,326.79, 198,489.87 and 57,437.22

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Solution

The fourth proportional to 132,326.79, 198,489.87 and 57,437.22 is: 86,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.79 : 198,489.87 = 57,437.22 : x
  2. Step 2: Convert to fraction form
    132,326.79/198,489.87 = 57,437.22/x
  3. Step 3: Cross multiply
    132,326.79x = 198,489.87 × 57,437.22
  4. Step 4: Simplify right side
    132,326.79x = 11,400,706,330.96
  5. Step 5: Solve for x
    x = 11,400,706,330.96/132,326.79
  6. Step 6: Final answer
    x = 86,155.69

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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.