Home / 125,528.38-173,179.06-80,194.59

Finding the Fourth Proportional to 125,528.38, 173,179.06 and 80,194.59

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Solution

The fourth proportional to 125,528.38, 173,179.06 and 80,194.59 is: 110,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.38 : 173,179.06 = 80,194.59 : x
  2. Step 2: Convert to fraction form
    125,528.38/173,179.06 = 80,194.59/x
  3. Step 3: Cross multiply
    125,528.38x = 173,179.06 × 80,194.59
  4. Step 4: Simplify right side
    125,528.38x = 13,888,023,512.80
  5. Step 5: Solve for x
    x = 13,888,023,512.80/125,528.38
  6. Step 6: Final answer
    x = 110,636.53

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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.