Home / 125,686.32-173,454.12-69,109.44

Finding the Fourth Proportional to 125,686.32, 173,454.12 and 69,109.44

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Solution

The fourth proportional to 125,686.32, 173,454.12 and 69,109.44 is: 95,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686.32 : 173,454.12 = 69,109.44 : x
  2. Step 2: Convert to fraction form
    125,686.32/173,454.12 = 69,109.44/x
  3. Step 3: Cross multiply
    125,686.32x = 173,454.12 × 69,109.44
  4. Step 4: Simplify right side
    125,686.32x = 11,987,317,098.89
  5. Step 5: Solve for x
    x = 11,987,317,098.89/125,686.32
  6. Step 6: Final answer
    x = 95,374.88

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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.