Home / 96,131.12-143,912.70-71,004.32

Finding the Fourth Proportional to 96,131.12, 143,912.70 and 71,004.32

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Solution

The fourth proportional to 96,131.12, 143,912.70 and 71,004.32 is: 106,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,131.12 : 143,912.70 = 71,004.32 : x
  2. Step 2: Convert to fraction form
    96,131.12/143,912.70 = 71,004.32/x
  3. Step 3: Cross multiply
    96,131.12x = 143,912.70 × 71,004.32
  4. Step 4: Simplify right side
    96,131.12x = 10,218,423,402.86
  5. Step 5: Solve for x
    x = 10,218,423,402.86/96,131.12
  6. Step 6: Final answer
    x = 106,296.73

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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.