Home / 133,301.10-199,951.65-112,305.90

Finding the Fourth Proportional to 133,301.10, 199,951.65 and 112,305.90

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Solution

The fourth proportional to 133,301.10, 199,951.65 and 112,305.90 is: 168,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.10 : 199,951.65 = 112,305.90 : x
  2. Step 2: Convert to fraction form
    133,301.10/199,951.65 = 112,305.90/x
  3. Step 3: Cross multiply
    133,301.10x = 199,951.65 × 112,305.90
  4. Step 4: Simplify right side
    133,301.10x = 22,455,750,009.74
  5. Step 5: Solve for x
    x = 22,455,750,009.74/133,301.10
  6. Step 6: Final answer
    x = 168,458.85

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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.