Home / 124,902.14-187,341.06-68,723.78

Finding the Fourth Proportional to 124,902.14, 187,341.06 and 68,723.78

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Solution

The fourth proportional to 124,902.14, 187,341.06 and 68,723.78 is: 103,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902.14 : 187,341.06 = 68,723.78 : x
  2. Step 2: Convert to fraction form
    124,902.14/187,341.06 = 68,723.78/x
  3. Step 3: Cross multiply
    124,902.14x = 187,341.06 × 68,723.78
  4. Step 4: Simplify right side
    124,902.14x = 12,874,785,792.41
  5. Step 5: Solve for x
    x = 12,874,785,792.41/124,902.14
  6. Step 6: Final answer
    x = 103,078.98

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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.