Home / 165,047.20-227,764.32-89,595.52

Finding the Fourth Proportional to 165,047.20, 227,764.32 and 89,595.52

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Solution

The fourth proportional to 165,047.20, 227,764.32 and 89,595.52 is: 123,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,047.20 : 227,764.32 = 89,595.52 : x
  2. Step 2: Convert to fraction form
    165,047.20/227,764.32 = 89,595.52/x
  3. Step 3: Cross multiply
    165,047.20x = 227,764.32 × 89,595.52
  4. Step 4: Simplify right side
    165,047.20x = 20,406,662,687.85
  5. Step 5: Solve for x
    x = 20,406,662,687.85/165,047.20
  6. Step 6: Final answer
    x = 123,641.37

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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.