Home / 124,928.20-187,392.30-82,937.80

Finding the Fourth Proportional to 124,928.20, 187,392.30 and 82,937.80

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Solution

The fourth proportional to 124,928.20, 187,392.30 and 82,937.80 is: 124,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.20 : 187,392.30 = 82,937.80 : x
  2. Step 2: Convert to fraction form
    124,928.20/187,392.30 = 82,937.80/x
  3. Step 3: Cross multiply
    124,928.20x = 187,392.30 × 82,937.80
  4. Step 4: Simplify right side
    124,928.20x = 15,541,905,098.94
  5. Step 5: Solve for x
    x = 15,541,905,098.94/124,928.20
  6. Step 6: Final answer
    x = 124,406.70

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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.