Home / 115,517.20-173,333.40-65,635.60

Finding the Fourth Proportional to 115,517.20, 173,333.40 and 65,635.60

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Solution

The fourth proportional to 115,517.20, 173,333.40 and 65,635.60 is: 98,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,517.20 : 173,333.40 = 65,635.60 : x
  2. Step 2: Convert to fraction form
    115,517.20/173,333.40 = 65,635.60/x
  3. Step 3: Cross multiply
    115,517.20x = 173,333.40 × 65,635.60
  4. Step 4: Simplify right side
    115,517.20x = 11,376,841,709.04
  5. Step 5: Solve for x
    x = 11,376,841,709.04/115,517.20
  6. Step 6: Final answer
    x = 98,486.13

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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.