Home / 125,161.39-187,742.49-31,667.14

Finding the Fourth Proportional to 125,161.39, 187,742.49 and 31,667.14

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Solution

The fourth proportional to 125,161.39, 187,742.49 and 31,667.14 is: 47,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,161.39 : 187,742.49 = 31,667.14 : x
  2. Step 2: Convert to fraction form
    125,161.39/187,742.49 = 31,667.14/x
  3. Step 3: Cross multiply
    125,161.39x = 187,742.49 × 31,667.14
  4. Step 4: Simplify right side
    125,161.39x = 5,945,267,714.78
  5. Step 5: Solve for x
    x = 5,945,267,714.78/125,161.39
  6. Step 6: Final answer
    x = 47,500.81

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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.