Home / 110,257.20-165,385.80-65,861.10

Finding the Fourth Proportional to 110,257.20, 165,385.80 and 65,861.10

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Solution

The fourth proportional to 110,257.20, 165,385.80 and 65,861.10 is: 98,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.20 : 165,385.80 = 65,861.10 : x
  2. Step 2: Convert to fraction form
    110,257.20/165,385.80 = 65,861.10/x
  3. Step 3: Cross multiply
    110,257.20x = 165,385.80 × 65,861.10
  4. Step 4: Simplify right side
    110,257.20x = 10,892,490,712.38
  5. Step 5: Solve for x
    x = 10,892,490,712.38/110,257.20
  6. Step 6: Final answer
    x = 98,791.65

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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.