Home / 181,016.97-249,791.41-100,439.38

Finding the Fourth Proportional to 181,016.97, 249,791.41 and 100,439.38

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Solution

The fourth proportional to 181,016.97, 249,791.41 and 100,439.38 is: 138,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,016.97 : 249,791.41 = 100,439.38 : x
  2. Step 2: Convert to fraction form
    181,016.97/249,791.41 = 100,439.38/x
  3. Step 3: Cross multiply
    181,016.97x = 249,791.41 × 100,439.38
  4. Step 4: Simplify right side
    181,016.97x = 25,088,894,349.73
  5. Step 5: Solve for x
    x = 25,088,894,349.73/181,016.97
  6. Step 6: Final answer
    x = 138,599.68

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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.