Home / 179,793.30-269,981.55-120,890.10

Finding the Fourth Proportional to 179,793.30, 269,981.55 and 120,890.10

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Solution

The fourth proportional to 179,793.30, 269,981.55 and 120,890.10 is: 181,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.30 : 269,981.55 = 120,890.10 : x
  2. Step 2: Convert to fraction form
    179,793.30/269,981.55 = 120,890.10/x
  3. Step 3: Cross multiply
    179,793.30x = 269,981.55 × 120,890.10
  4. Step 4: Simplify right side
    179,793.30x = 32,638,096,577.66
  5. Step 5: Solve for x
    x = 32,638,096,577.66/179,793.30
  6. Step 6: Final answer
    x = 181,531.22

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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.