Home / 107,754.30-161,618.94-28,874.88

Finding the Fourth Proportional to 107,754.30, 161,618.94 and 28,874.88

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Solution

The fourth proportional to 107,754.30, 161,618.94 and 28,874.88 is: 43,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,754.30 : 161,618.94 = 28,874.88 : x
  2. Step 2: Convert to fraction form
    107,754.30/161,618.94 = 28,874.88/x
  3. Step 3: Cross multiply
    107,754.30x = 161,618.94 × 28,874.88
  4. Step 4: Simplify right side
    107,754.30x = 4,666,727,498.23
  5. Step 5: Solve for x
    x = 4,666,727,498.23/107,754.30
  6. Step 6: Final answer
    x = 43,308.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.