Home / 120,856.92-181,266.66-61,736.28

Finding the Fourth Proportional to 120,856.92, 181,266.66 and 61,736.28

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Solution

The fourth proportional to 120,856.92, 181,266.66 and 61,736.28 is: 92,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.92 : 181,266.66 = 61,736.28 : x
  2. Step 2: Convert to fraction form
    120,856.92/181,266.66 = 61,736.28/x
  3. Step 3: Cross multiply
    120,856.92x = 181,266.66 × 61,736.28
  4. Step 4: Simplify right side
    120,856.92x = 11,190,729,276.42
  5. Step 5: Solve for x
    x = 11,190,729,276.42/120,856.92
  6. Step 6: Final answer
    x = 92,594.86

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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.