Home / 106,487.19-146,887.20-68,233.86

Finding the Fourth Proportional to 106,487.19, 146,887.20 and 68,233.86

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Solution

The fourth proportional to 106,487.19, 146,887.20 and 68,233.86 is: 94,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487.19 : 146,887.20 = 68,233.86 : x
  2. Step 2: Convert to fraction form
    106,487.19/146,887.20 = 68,233.86/x
  3. Step 3: Cross multiply
    106,487.19x = 146,887.20 × 68,233.86
  4. Step 4: Simplify right side
    106,487.19x = 10,022,680,640.59
  5. Step 5: Solve for x
    x = 10,022,680,640.59/106,487.19
  6. Step 6: Final answer
    x = 94,121.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.