Home / 122,346.10-183,519.15-80,793.10

Finding the Fourth Proportional to 122,346.10, 183,519.15 and 80,793.10

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Solution

The fourth proportional to 122,346.10, 183,519.15 and 80,793.10 is: 121,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,346.10 : 183,519.15 = 80,793.10 : x
  2. Step 2: Convert to fraction form
    122,346.10/183,519.15 = 80,793.10/x
  3. Step 3: Cross multiply
    122,346.10x = 183,519.15 × 80,793.10
  4. Step 4: Simplify right side
    122,346.10x = 14,827,081,037.87
  5. Step 5: Solve for x
    x = 14,827,081,037.87/122,346.10
  6. Step 6: Final answer
    x = 121,189.65

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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.