Home / 124,983.34-187,350.39-80,641.24

Finding the Fourth Proportional to 124,983.34, 187,350.39 and 80,641.24

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Solution

The fourth proportional to 124,983.34, 187,350.39 and 80,641.24 is: 120,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.34 : 187,350.39 = 80,641.24 : x
  2. Step 2: Convert to fraction form
    124,983.34/187,350.39 = 80,641.24/x
  3. Step 3: Cross multiply
    124,983.34x = 187,350.39 × 80,641.24
  4. Step 4: Simplify right side
    124,983.34x = 15,108,167,764.08
  5. Step 5: Solve for x
    x = 15,108,167,764.08/124,983.34
  6. Step 6: Final answer
    x = 120,881.45

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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.