Home / 129,206.10-193,481.10-123,301.20

Finding the Fourth Proportional to 129,206.10, 193,481.10 and 123,301.20

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Solution

The fourth proportional to 129,206.10, 193,481.10 and 123,301.20 is: 184,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,206.10 : 193,481.10 = 123,301.20 : x
  2. Step 2: Convert to fraction form
    129,206.10/193,481.10 = 123,301.20/x
  3. Step 3: Cross multiply
    129,206.10x = 193,481.10 × 123,301.20
  4. Step 4: Simplify right side
    129,206.10x = 23,856,451,807.32
  5. Step 5: Solve for x
    x = 23,856,451,807.32/129,206.10
  6. Step 6: Final answer
    x = 184,638.74

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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.