Home / 181,268.03-250,141.39-100,700.47

Finding the Fourth Proportional to 181,268.03, 250,141.39 and 100,700.47

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Solution

The fourth proportional to 181,268.03, 250,141.39 and 100,700.47 is: 138,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,268.03 : 250,141.39 = 100,700.47 : x
  2. Step 2: Convert to fraction form
    181,268.03/250,141.39 = 100,700.47/x
  3. Step 3: Cross multiply
    181,268.03x = 250,141.39 × 100,700.47
  4. Step 4: Simplify right side
    181,268.03x = 25,189,354,288.75
  5. Step 5: Solve for x
    x = 25,189,354,288.75/181,268.03
  6. Step 6: Final answer
    x = 138,961.92

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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.