Home / 104,505.86-144,119.85-80,594.66

Finding the Fourth Proportional to 104,505.86, 144,119.85 and 80,594.66

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Solution

The fourth proportional to 104,505.86, 144,119.85 and 80,594.66 is: 111,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.86 : 144,119.85 = 80,594.66 : x
  2. Step 2: Convert to fraction form
    104,505.86/144,119.85 = 80,594.66/x
  3. Step 3: Cross multiply
    104,505.86x = 144,119.85 × 80,594.66
  4. Step 4: Simplify right side
    104,505.86x = 11,615,290,310.00
  5. Step 5: Solve for x
    x = 11,615,290,310.00/104,505.86
  6. Step 6: Final answer
    x = 111,144.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.