Home / 124,957.43-187,434.29-30,186.80

Finding the Fourth Proportional to 124,957.43, 187,434.29 and 30,186.80

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Solution

The fourth proportional to 124,957.43, 187,434.29 and 30,186.80 is: 45,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,957.43 : 187,434.29 = 30,186.80 : x
  2. Step 2: Convert to fraction form
    124,957.43/187,434.29 = 30,186.80/x
  3. Step 3: Cross multiply
    124,957.43x = 187,434.29 × 30,186.80
  4. Step 4: Simplify right side
    124,957.43x = 5,658,040,563.67
  5. Step 5: Solve for x
    x = 5,658,040,563.67/124,957.43
  6. Step 6: Final answer
    x = 45,279.75

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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.