Home / 132,726.83-198,969.90-66,187.37

Finding the Fourth Proportional to 132,726.83, 198,969.90 and 66,187.37

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Solution

The fourth proportional to 132,726.83, 198,969.90 and 66,187.37 is: 99,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,726.83 : 198,969.90 = 66,187.37 : x
  2. Step 2: Convert to fraction form
    132,726.83/198,969.90 = 66,187.37/x
  3. Step 3: Cross multiply
    132,726.83x = 198,969.90 × 66,187.37
  4. Step 4: Simplify right side
    132,726.83x = 13,169,294,390.16
  5. Step 5: Solve for x
    x = 13,169,294,390.16/132,726.83
  6. Step 6: Final answer
    x = 99,221.04

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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.