Home / 125,519.25-173,217.78-68,931.84

Finding the Fourth Proportional to 125,519.25, 173,217.78 and 68,931.84

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Solution

The fourth proportional to 125,519.25, 173,217.78 and 68,931.84 is: 95,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.25 : 173,217.78 = 68,931.84 : x
  2. Step 2: Convert to fraction form
    125,519.25/173,217.78 = 68,931.84/x
  3. Step 3: Cross multiply
    125,519.25x = 173,217.78 × 68,931.84
  4. Step 4: Simplify right side
    125,519.25x = 11,940,220,296.12
  5. Step 5: Solve for x
    x = 11,940,220,296.12/125,519.25
  6. Step 6: Final answer
    x = 95,126.61

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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.