Home / 115,823.26-173,396.85-71,316.46

Finding the Fourth Proportional to 115,823.26, 173,396.85 and 71,316.46

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Solution

The fourth proportional to 115,823.26, 173,396.85 and 71,316.46 is: 106,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,823.26 : 173,396.85 = 71,316.46 : x
  2. Step 2: Convert to fraction form
    115,823.26/173,396.85 = 71,316.46/x
  3. Step 3: Cross multiply
    115,823.26x = 173,396.85 × 71,316.46
  4. Step 4: Simplify right side
    115,823.26x = 12,366,049,517.15
  5. Step 5: Solve for x
    x = 12,366,049,517.15/115,823.26
  6. Step 6: Final answer
    x = 106,766.55

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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.