Home / 125,449.40-188,175.18-31,955.06

Finding the Fourth Proportional to 125,449.40, 188,175.18 and 31,955.06

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Solution

The fourth proportional to 125,449.40, 188,175.18 and 31,955.06 is: 47,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.40 : 188,175.18 = 31,955.06 : x
  2. Step 2: Convert to fraction form
    125,449.40/188,175.18 = 31,955.06/x
  3. Step 3: Cross multiply
    125,449.40x = 188,175.18 × 31,955.06
  4. Step 4: Simplify right side
    125,449.40x = 6,013,149,167.41
  5. Step 5: Solve for x
    x = 6,013,149,167.41/125,449.40
  6. Step 6: Final answer
    x = 47,932.87

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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.