Home / 392,434.13-588,738.94-143,116.13

Finding the Fourth Proportional to 392,434.13, 588,738.94 and 143,116.13

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Solution

The fourth proportional to 392,434.13, 588,738.94 and 143,116.13 is: 214,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,434.13 : 588,738.94 = 143,116.13 : x
  2. Step 2: Convert to fraction form
    392,434.13/588,738.94 = 143,116.13/x
  3. Step 3: Cross multiply
    392,434.13x = 588,738.94 × 143,116.13
  4. Step 4: Simplify right side
    392,434.13x = 84,258,035,371.62
  5. Step 5: Solve for x
    x = 84,258,035,371.62/392,434.13
  6. Step 6: Final answer
    x = 214,706.19

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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.