Home / 96,129.87-143,910.83-71,003.07

Finding the Fourth Proportional to 96,129.87, 143,910.83 and 71,003.07

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Solution

The fourth proportional to 96,129.87, 143,910.83 and 71,003.07 is: 106,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,129.87 : 143,910.83 = 71,003.07 : x
  2. Step 2: Convert to fraction form
    96,129.87/143,910.83 = 71,003.07/x
  3. Step 3: Cross multiply
    96,129.87x = 143,910.83 × 71,003.07
  4. Step 4: Simplify right side
    96,129.87x = 10,218,110,381.23
  5. Step 5: Solve for x
    x = 10,218,110,381.23/96,129.87
  6. Step 6: Final answer
    x = 106,294.85

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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.