Home / 120,818.11-181,255.52-36,578.92

Finding the Fourth Proportional to 120,818.11, 181,255.52 and 36,578.92

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Solution

The fourth proportional to 120,818.11, 181,255.52 and 36,578.92 is: 54,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,818.11 : 181,255.52 = 36,578.92 : x
  2. Step 2: Convert to fraction form
    120,818.11/181,255.52 = 36,578.92/x
  3. Step 3: Cross multiply
    120,818.11x = 181,255.52 × 36,578.92
  4. Step 4: Simplify right side
    120,818.11x = 6,630,131,165.64
  5. Step 5: Solve for x
    x = 6,630,131,165.64/120,818.11
  6. Step 6: Final answer
    x = 54,876.96

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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.