Home / 232,020.72-320,177.88-131,419.44

Finding the Fourth Proportional to 232,020.72, 320,177.88 and 131,419.44

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Solution

The fourth proportional to 232,020.72, 320,177.88 and 131,419.44 is: 181,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,020.72 : 320,177.88 = 131,419.44 : x
  2. Step 2: Convert to fraction form
    232,020.72/320,177.88 = 131,419.44/x
  3. Step 3: Cross multiply
    232,020.72x = 320,177.88 × 131,419.44
  4. Step 4: Simplify right side
    232,020.72x = 42,077,597,689.99
  5. Step 5: Solve for x
    x = 42,077,597,689.99/232,020.72
  6. Step 6: Final answer
    x = 181,352.76

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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.