Home / 125,179.14-187,768.85-31,684.89

Finding the Fourth Proportional to 125,179.14, 187,768.85 and 31,684.89

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Solution

The fourth proportional to 125,179.14, 187,768.85 and 31,684.89 is: 47,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,179.14 : 187,768.85 = 31,684.89 : x
  2. Step 2: Convert to fraction form
    125,179.14/187,768.85 = 31,684.89/x
  3. Step 3: Cross multiply
    125,179.14x = 187,768.85 × 31,684.89
  4. Step 4: Simplify right side
    125,179.14x = 5,949,435,199.25
  5. Step 5: Solve for x
    x = 5,949,435,199.25/125,179.14
  6. Step 6: Final answer
    x = 47,527.37

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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.