Home / 92,178.83-138,268.34-25,618.97

Finding the Fourth Proportional to 92,178.83, 138,268.34 and 25,618.97

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Solution

The fourth proportional to 92,178.83, 138,268.34 and 25,618.97 is: 38,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.83 : 138,268.34 = 25,618.97 : x
  2. Step 2: Convert to fraction form
    92,178.83/138,268.34 = 25,618.97/x
  3. Step 3: Cross multiply
    92,178.83x = 138,268.34 × 25,618.97
  4. Step 4: Simplify right side
    92,178.83x = 3,542,291,634.97
  5. Step 5: Solve for x
    x = 3,542,291,634.97/92,178.83
  6. Step 6: Final answer
    x = 38,428.47

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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.