Home / 129,498.62-193,882.73-68,570.83

Finding the Fourth Proportional to 129,498.62, 193,882.73 and 68,570.83

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Solution

The fourth proportional to 129,498.62, 193,882.73 and 68,570.83 is: 102,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,498.62 : 193,882.73 = 68,570.83 : x
  2. Step 2: Convert to fraction form
    129,498.62/193,882.73 = 68,570.83/x
  3. Step 3: Cross multiply
    129,498.62x = 193,882.73 × 68,570.83
  4. Step 4: Simplify right side
    129,498.62x = 13,294,698,891.20
  5. Step 5: Solve for x
    x = 13,294,698,891.20/129,498.62
  6. Step 6: Final answer
    x = 102,662.86

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1.5x scale

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.