Home / 106,013.26-146,318.97-70,204.78

Finding the Fourth Proportional to 106,013.26, 146,318.97 and 70,204.78

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Solution

The fourth proportional to 106,013.26, 146,318.97 and 70,204.78 is: 96,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,013.26 : 146,318.97 = 70,204.78 : x
  2. Step 2: Convert to fraction form
    106,013.26/146,318.97 = 70,204.78/x
  3. Step 3: Cross multiply
    106,013.26x = 146,318.97 × 70,204.78
  4. Step 4: Simplify right side
    106,013.26x = 10,272,291,098.68
  5. Step 5: Solve for x
    x = 10,272,291,098.68/106,013.26
  6. Step 6: Final answer
    x = 96,896.29

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1.5x scale

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.