Home / 125,199.32-187,805.82-31,705.88

Finding the Fourth Proportional to 125,199.32, 187,805.82 and 31,705.88

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Solution

The fourth proportional to 125,199.32, 187,805.82 and 31,705.88 is: 47,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,199.32 : 187,805.82 = 31,705.88 : x
  2. Step 2: Convert to fraction form
    125,199.32/187,805.82 = 31,705.88/x
  3. Step 3: Cross multiply
    125,199.32x = 187,805.82 × 31,705.88
  4. Step 4: Simplify right side
    125,199.32x = 5,954,548,792.22
  5. Step 5: Solve for x
    x = 5,954,548,792.22/125,199.32
  6. Step 6: Final answer
    x = 47,560.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.