Home / 106,144.56-146,539.94-70,382.86

Finding the Fourth Proportional to 106,144.56, 146,539.94 and 70,382.86

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Solution

The fourth proportional to 106,144.56, 146,539.94 and 70,382.86 is: 97,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,144.56 : 146,539.94 = 70,382.86 : x
  2. Step 2: Convert to fraction form
    106,144.56/146,539.94 = 70,382.86/x
  3. Step 3: Cross multiply
    106,144.56x = 146,539.94 × 70,382.86
  4. Step 4: Simplify right side
    106,144.56x = 10,313,899,363.16
  5. Step 5: Solve for x
    x = 10,313,899,363.16/106,144.56
  6. Step 6: Final answer
    x = 97,168.42

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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.