Home / 136,151.11-204,199.67-129,399.91

Finding the Fourth Proportional to 136,151.11, 204,199.67 and 129,399.91

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Solution

The fourth proportional to 136,151.11, 204,199.67 and 129,399.91 is: 194,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,151.11 : 204,199.67 = 129,399.91 : x
  2. Step 2: Convert to fraction form
    136,151.11/204,199.67 = 129,399.91/x
  3. Step 3: Cross multiply
    136,151.11x = 204,199.67 × 129,399.91
  4. Step 4: Simplify right side
    136,151.11x = 26,423,418,920.03
  5. Step 5: Solve for x
    x = 26,423,418,920.03/136,151.11
  6. Step 6: Final answer
    x = 194,074.21

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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.