Home / 181,171.08-250,134.48-117,689.76

Finding the Fourth Proportional to 181,171.08, 250,134.48 and 117,689.76

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Solution

The fourth proportional to 181,171.08, 250,134.48 and 117,689.76 is: 162,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,171.08 : 250,134.48 = 117,689.76 : x
  2. Step 2: Convert to fraction form
    181,171.08/250,134.48 = 117,689.76/x
  3. Step 3: Cross multiply
    181,171.08x = 250,134.48 × 117,689.76
  4. Step 4: Simplify right side
    181,171.08x = 29,438,266,918.92
  5. Step 5: Solve for x
    x = 29,438,266,918.92/181,171.08
  6. Step 6: Final answer
    x = 162,488.78

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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.