Home / 122,949.10-184,423.65-80,958.70

Finding the Fourth Proportional to 122,949.10, 184,423.65 and 80,958.70

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Solution

The fourth proportional to 122,949.10, 184,423.65 and 80,958.70 is: 121,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.10 : 184,423.65 = 80,958.70 : x
  2. Step 2: Convert to fraction form
    122,949.10/184,423.65 = 80,958.70/x
  3. Step 3: Cross multiply
    122,949.10x = 184,423.65 × 80,958.70
  4. Step 4: Simplify right side
    122,949.10x = 14,930,698,953.26
  5. Step 5: Solve for x
    x = 14,930,698,953.26/122,949.10
  6. Step 6: Final answer
    x = 121,438.05

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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.