Home / 124,827.20-187,240.80-41,721.20

Finding the Fourth Proportional to 124,827.20, 187,240.80 and 41,721.20

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Solution

The fourth proportional to 124,827.20, 187,240.80 and 41,721.20 is: 62,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.20 : 187,240.80 = 41,721.20 : x
  2. Step 2: Convert to fraction form
    124,827.20/187,240.80 = 41,721.20/x
  3. Step 3: Cross multiply
    124,827.20x = 187,240.80 × 41,721.20
  4. Step 4: Simplify right side
    124,827.20x = 7,811,910,864.96
  5. Step 5: Solve for x
    x = 7,811,910,864.96/124,827.20
  6. Step 6: Final answer
    x = 62,581.80

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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.