Home / 120,772.44-181,348.26-102,294.76

Finding the Fourth Proportional to 120,772.44, 181,348.26 and 102,294.76

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Solution

The fourth proportional to 120,772.44, 181,348.26 and 102,294.76 is: 153,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772.44 : 181,348.26 = 102,294.76 : x
  2. Step 2: Convert to fraction form
    120,772.44/181,348.26 = 102,294.76/x
  3. Step 3: Cross multiply
    120,772.44x = 181,348.26 × 102,294.76
  4. Step 4: Simplify right side
    120,772.44x = 18,550,976,733.12
  5. Step 5: Solve for x
    x = 18,550,976,733.12/120,772.44
  6. Step 6: Final answer
    x = 153,602.73

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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.