Home / 125,540.15-173,244.35-68,180.96

Finding the Fourth Proportional to 125,540.15, 173,244.35 and 68,180.96

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Solution

The fourth proportional to 125,540.15, 173,244.35 and 68,180.96 is: 94,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.15 : 173,244.35 = 68,180.96 : x
  2. Step 2: Convert to fraction form
    125,540.15/173,244.35 = 68,180.96/x
  3. Step 3: Cross multiply
    125,540.15x = 173,244.35 × 68,180.96
  4. Step 4: Simplify right side
    125,540.15x = 11,811,966,701.14
  5. Step 5: Solve for x
    x = 11,811,966,701.14/125,540.15
  6. Step 6: Final answer
    x = 94,089.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.