Home / 149,979.24-225,079.38-71,093.16

Finding the Fourth Proportional to 149,979.24, 225,079.38 and 71,093.16

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Solution

The fourth proportional to 149,979.24, 225,079.38 and 71,093.16 is: 106,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,979.24 : 225,079.38 = 71,093.16 : x
  2. Step 2: Convert to fraction form
    149,979.24/225,079.38 = 71,093.16/x
  3. Step 3: Cross multiply
    149,979.24x = 225,079.38 × 71,093.16
  4. Step 4: Simplify right side
    149,979.24x = 16,001,604,375.04
  5. Step 5: Solve for x
    x = 16,001,604,375.04/149,979.24
  6. Step 6: Final answer
    x = 106,692.13

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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.