Home / 133,934.73-200,422.40-115,985.13

Finding the Fourth Proportional to 133,934.73, 200,422.40 and 115,985.13

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Solution

The fourth proportional to 133,934.73, 200,422.40 and 115,985.13 is: 173,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,934.73 : 200,422.40 = 115,985.13 : x
  2. Step 2: Convert to fraction form
    133,934.73/200,422.40 = 115,985.13/x
  3. Step 3: Cross multiply
    133,934.73x = 200,422.40 × 115,985.13
  4. Step 4: Simplify right side
    133,934.73x = 23,246,017,439.82
  5. Step 5: Solve for x
    x = 23,246,017,439.82/133,934.73
  6. Step 6: Final answer
    x = 173,562.29

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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.