Home / 124,934.20-187,401.30-82,943.80

Finding the Fourth Proportional to 124,934.20, 187,401.30 and 82,943.80

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Solution

The fourth proportional to 124,934.20, 187,401.30 and 82,943.80 is: 124,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934.20 : 187,401.30 = 82,943.80 : x
  2. Step 2: Convert to fraction form
    124,934.20/187,401.30 = 82,943.80/x
  3. Step 3: Cross multiply
    124,934.20x = 187,401.30 × 82,943.80
  4. Step 4: Simplify right side
    124,934.20x = 15,543,775,946.94
  5. Step 5: Solve for x
    x = 15,543,775,946.94/124,934.20
  6. Step 6: Final answer
    x = 124,415.70

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1.5x scale

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.