Home / 203,116.41-280,300.15-117,074.69

Finding the Fourth Proportional to 203,116.41, 280,300.15 and 117,074.69

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Solution

The fourth proportional to 203,116.41, 280,300.15 and 117,074.69 is: 161,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,116.41 : 280,300.15 = 117,074.69 : x
  2. Step 2: Convert to fraction form
    203,116.41/280,300.15 = 117,074.69/x
  3. Step 3: Cross multiply
    203,116.41x = 280,300.15 × 117,074.69
  4. Step 4: Simplify right side
    203,116.41x = 32,816,053,168.20
  5. Step 5: Solve for x
    x = 32,816,053,168.20/203,116.41
  6. Step 6: Final answer
    x = 161,562.79

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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.