Home / 134,945.80-202,418.70-132,872.20

Finding the Fourth Proportional to 134,945.80, 202,418.70 and 132,872.20

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Solution

The fourth proportional to 134,945.80, 202,418.70 and 132,872.20 is: 199,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,945.80 : 202,418.70 = 132,872.20 : x
  2. Step 2: Convert to fraction form
    134,945.80/202,418.70 = 132,872.20/x
  3. Step 3: Cross multiply
    134,945.80x = 202,418.70 × 132,872.20
  4. Step 4: Simplify right side
    134,945.80x = 26,895,817,990.14
  5. Step 5: Solve for x
    x = 26,895,817,990.14/134,945.80
  6. Step 6: Final answer
    x = 199,308.30

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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.