Home / 132,382.16-198,628.60-57,565.23

Finding the Fourth Proportional to 132,382.16, 198,628.60 and 57,565.23

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Solution

The fourth proportional to 132,382.16, 198,628.60 and 57,565.23 is: 86,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,382.16 : 198,628.60 = 57,565.23 : x
  2. Step 2: Convert to fraction form
    132,382.16/198,628.60 = 57,565.23/x
  3. Step 3: Cross multiply
    132,382.16x = 198,628.60 × 57,565.23
  4. Step 4: Simplify right side
    132,382.16x = 11,434,101,043.58
  5. Step 5: Solve for x
    x = 11,434,101,043.58/132,382.16
  6. Step 6: Final answer
    x = 86,371.92

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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.