Home / 199,334.52-275,080.25-108,690.66

Finding the Fourth Proportional to 199,334.52, 275,080.25 and 108,690.66

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Solution

The fourth proportional to 199,334.52, 275,080.25 and 108,690.66 is: 149,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,334.52 : 275,080.25 = 108,690.66 : x
  2. Step 2: Convert to fraction form
    199,334.52/275,080.25 = 108,690.66/x
  3. Step 3: Cross multiply
    199,334.52x = 275,080.25 × 108,690.66
  4. Step 4: Simplify right side
    199,334.52x = 29,898,654,197.19
  5. Step 5: Solve for x
    x = 29,898,654,197.19/199,334.52
  6. Step 6: Final answer
    x = 149,992.36

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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.