Home / 125,697.18-173,462.76-69,112.20

Finding the Fourth Proportional to 125,697.18, 173,462.76 and 69,112.20

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Solution

The fourth proportional to 125,697.18, 173,462.76 and 69,112.20 is: 95,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,697.18 : 173,462.76 = 69,112.20 : x
  2. Step 2: Convert to fraction form
    125,697.18/173,462.76 = 69,112.20/x
  3. Step 3: Cross multiply
    125,697.18x = 173,462.76 × 69,112.20
  4. Step 4: Simplify right side
    125,697.18x = 11,988,392,961.67
  5. Step 5: Solve for x
    x = 11,988,392,961.67/125,697.18
  6. Step 6: Final answer
    x = 95,375.19

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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.