Home / 115,512.88-173,104.08-52,175.74

Finding the Fourth Proportional to 115,512.88, 173,104.08 and 52,175.74

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Solution

The fourth proportional to 115,512.88, 173,104.08 and 52,175.74 is: 78,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,512.88 : 173,104.08 = 52,175.74 : x
  2. Step 2: Convert to fraction form
    115,512.88/173,104.08 = 52,175.74/x
  3. Step 3: Cross multiply
    115,512.88x = 173,104.08 × 52,175.74
  4. Step 4: Simplify right side
    115,512.88x = 9,031,833,471.02
  5. Step 5: Solve for x
    x = 9,031,833,471.02/115,512.88
  6. Step 6: Final answer
    x = 78,188.97

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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.