Home / 123,251.32-170,086.62-69,536.20

Finding the Fourth Proportional to 123,251.32, 170,086.62 and 69,536.20

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Solution

The fourth proportional to 123,251.32, 170,086.62 and 69,536.20 is: 95,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.32 : 170,086.62 = 69,536.20 : x
  2. Step 2: Convert to fraction form
    123,251.32/170,086.62 = 69,536.20/x
  3. Step 3: Cross multiply
    123,251.32x = 170,086.62 × 69,536.20
  4. Step 4: Simplify right side
    123,251.32x = 11,827,177,225.64
  5. Step 5: Solve for x
    x = 11,827,177,225.64/123,251.32
  6. Step 6: Final answer
    x = 95,959.84

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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.