Home / 133,031.10-199,546.65-115,923.90

Finding the Fourth Proportional to 133,031.10, 199,546.65 and 115,923.90

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Solution

The fourth proportional to 133,031.10, 199,546.65 and 115,923.90 is: 173,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.10 : 199,546.65 = 115,923.90 : x
  2. Step 2: Convert to fraction form
    133,031.10/199,546.65 = 115,923.90/x
  3. Step 3: Cross multiply
    133,031.10x = 199,546.65 × 115,923.90
  4. Step 4: Simplify right side
    133,031.10x = 23,132,225,899.94
  5. Step 5: Solve for x
    x = 23,132,225,899.94/133,031.10
  6. Step 6: Final answer
    x = 173,885.85

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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.