Home / 132,326.48-198,489.41-57,436.91

Finding the Fourth Proportional to 132,326.48, 198,489.41 and 57,436.91

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Solution

The fourth proportional to 132,326.48, 198,489.41 and 57,436.91 is: 86,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.48 : 198,489.41 = 57,436.91 : x
  2. Step 2: Convert to fraction form
    132,326.48/198,489.41 = 57,436.91/x
  3. Step 3: Cross multiply
    132,326.48x = 198,489.41 × 57,436.91
  4. Step 4: Simplify right side
    132,326.48x = 11,400,618,090.94
  5. Step 5: Solve for x
    x = 11,400,618,090.94/132,326.48
  6. Step 6: Final answer
    x = 86,155.23

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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.