Home / 124,685.12-187,026.17-84,604.80

Finding the Fourth Proportional to 124,685.12, 187,026.17 and 84,604.80

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Solution

The fourth proportional to 124,685.12, 187,026.17 and 84,604.80 is: 126,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685.12 : 187,026.17 = 84,604.80 : x
  2. Step 2: Convert to fraction form
    124,685.12/187,026.17 = 84,604.80/x
  3. Step 3: Cross multiply
    124,685.12x = 187,026.17 × 84,604.80
  4. Step 4: Simplify right side
    124,685.12x = 15,823,311,985.94
  5. Step 5: Solve for x
    x = 15,823,311,985.94/124,685.12
  6. Step 6: Final answer
    x = 126,906.18

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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.