Home / 125,178.14-187,767.34-31,683.90

Finding the Fourth Proportional to 125,178.14, 187,767.34 and 31,683.90

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Solution

The fourth proportional to 125,178.14, 187,767.34 and 31,683.90 is: 47,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,178.14 : 187,767.34 = 31,683.90 : x
  2. Step 2: Convert to fraction form
    125,178.14/187,767.34 = 31,683.90/x
  3. Step 3: Cross multiply
    125,178.14x = 187,767.34 × 31,683.90
  4. Step 4: Simplify right side
    125,178.14x = 5,949,201,623.83
  5. Step 5: Solve for x
    x = 5,949,201,623.83/125,178.14
  6. Step 6: Final answer
    x = 47,525.88

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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.