Home / 133,301.38-182,976.73-117,855.70

Finding the Fourth Proportional to 133,301.38, 182,976.73 and 117,855.70

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Solution

The fourth proportional to 133,301.38, 182,976.73 and 117,855.70 is: 161,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.38 : 182,976.73 = 117,855.70 : x
  2. Step 2: Convert to fraction form
    133,301.38/182,976.73 = 117,855.70/x
  3. Step 3: Cross multiply
    133,301.38x = 182,976.73 × 117,855.70
  4. Step 4: Simplify right side
    133,301.38x = 21,564,850,597.86
  5. Step 5: Solve for x
    x = 21,564,850,597.86/133,301.38
  6. Step 6: Final answer
    x = 161,775.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.