Home / 134,759.80-202,139.70-119,726.20

Finding the Fourth Proportional to 134,759.80, 202,139.70 and 119,726.20

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Solution

The fourth proportional to 134,759.80, 202,139.70 and 119,726.20 is: 179,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,759.80 : 202,139.70 = 119,726.20 : x
  2. Step 2: Convert to fraction form
    134,759.80/202,139.70 = 119,726.20/x
  3. Step 3: Cross multiply
    134,759.80x = 202,139.70 × 119,726.20
  4. Step 4: Simplify right side
    134,759.80x = 24,201,418,150.14
  5. Step 5: Solve for x
    x = 24,201,418,150.14/134,759.80
  6. Step 6: Final answer
    x = 179,589.30

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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.