Home / 125,481.18-173,164.32-68,896.20

Finding the Fourth Proportional to 125,481.18, 173,164.32 and 68,896.20

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Solution

The fourth proportional to 125,481.18, 173,164.32 and 68,896.20 is: 95,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,481.18 : 173,164.32 = 68,896.20 : x
  2. Step 2: Convert to fraction form
    125,481.18/173,164.32 = 68,896.20/x
  3. Step 3: Cross multiply
    125,481.18x = 173,164.32 × 68,896.20
  4. Step 4: Simplify right side
    125,481.18x = 11,930,363,623.58
  5. Step 5: Solve for x
    x = 11,930,363,623.58/125,481.18
  6. Step 6: Final answer
    x = 95,076.92

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1.5x scale

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.