Home / 268,945.18-403,301.13-91,404.52

Finding the Fourth Proportional to 268,945.18, 403,301.13 and 91,404.52

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Solution

The fourth proportional to 268,945.18, 403,301.13 and 91,404.52 is: 137,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,945.18 : 403,301.13 = 91,404.52 : x
  2. Step 2: Convert to fraction form
    268,945.18/403,301.13 = 91,404.52/x
  3. Step 3: Cross multiply
    268,945.18x = 403,301.13 × 91,404.52
  4. Step 4: Simplify right side
    268,945.18x = 36,863,546,203.11
  5. Step 5: Solve for x
    x = 36,863,546,203.11/268,945.18
  6. Step 6: Final answer
    x = 137,067.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.