Home / 225,542.48-311,248.87-122,176.92

Finding the Fourth Proportional to 225,542.48, 311,248.87 and 122,176.92

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Solution

The fourth proportional to 225,542.48, 311,248.87 and 122,176.92 is: 168,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,542.48 : 311,248.87 = 122,176.92 : x
  2. Step 2: Convert to fraction form
    225,542.48/311,248.87 = 122,176.92/x
  3. Step 3: Cross multiply
    225,542.48x = 311,248.87 × 122,176.92
  4. Step 4: Simplify right side
    225,542.48x = 38,027,428,290.08
  5. Step 5: Solve for x
    x = 38,027,428,290.08/225,542.48
  6. Step 6: Final answer
    x = 168,604.28

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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.