Home / 125,736.82-173,513.35-69,148.20

Finding the Fourth Proportional to 125,736.82, 173,513.35 and 69,148.20

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Solution

The fourth proportional to 125,736.82, 173,513.35 and 69,148.20 is: 95,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,736.82 : 173,513.35 = 69,148.20 : x
  2. Step 2: Convert to fraction form
    125,736.82/173,513.35 = 69,148.20/x
  3. Step 3: Cross multiply
    125,736.82x = 173,513.35 × 69,148.20
  4. Step 4: Simplify right side
    125,736.82x = 11,998,135,828.47
  5. Step 5: Solve for x
    x = 11,998,135,828.47/125,736.82
  6. Step 6: Final answer
    x = 95,422.61

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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.