Home / 129,176.10-193,764.15-119,844.90

Finding the Fourth Proportional to 129,176.10, 193,764.15 and 119,844.90

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Solution

The fourth proportional to 129,176.10, 193,764.15 and 119,844.90 is: 179,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,176.10 : 193,764.15 = 119,844.90 : x
  2. Step 2: Convert to fraction form
    129,176.10/193,764.15 = 119,844.90/x
  3. Step 3: Cross multiply
    129,176.10x = 193,764.15 × 119,844.90
  4. Step 4: Simplify right side
    129,176.10x = 23,221,645,180.34
  5. Step 5: Solve for x
    x = 23,221,645,180.34/129,176.10
  6. Step 6: Final answer
    x = 179,767.35

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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.