Home / 125,228.50-187,853.69-31,734.25

Finding the Fourth Proportional to 125,228.50, 187,853.69 and 31,734.25

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Solution

The fourth proportional to 125,228.50, 187,853.69 and 31,734.25 is: 47,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,228.50 : 187,853.69 = 31,734.25 : x
  2. Step 2: Convert to fraction form
    125,228.50/187,853.69 = 31,734.25/x
  3. Step 3: Cross multiply
    125,228.50x = 187,853.69 × 31,734.25
  4. Step 4: Simplify right side
    125,228.50x = 5,961,395,961.88
  5. Step 5: Solve for x
    x = 5,961,395,961.88/125,228.50
  6. Step 6: Final answer
    x = 47,604.15

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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.