Home / 360,080.64-496,921.14-198,945.88

Finding the Fourth Proportional to 360,080.64, 496,921.14 and 198,945.88

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Solution

The fourth proportional to 360,080.64, 496,921.14 and 198,945.88 is: 274,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,080.64 : 496,921.14 = 198,945.88 : x
  2. Step 2: Convert to fraction form
    360,080.64/496,921.14 = 198,945.88/x
  3. Step 3: Cross multiply
    360,080.64x = 496,921.14 × 198,945.88
  4. Step 4: Simplify right side
    360,080.64x = 98,860,412,245.60
  5. Step 5: Solve for x
    x = 98,860,412,245.60/360,080.64
  6. Step 6: Final answer
    x = 274,550.76

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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.