Home / 120,407.24-180,558.49-64,234.82

Finding the Fourth Proportional to 120,407.24, 180,558.49 and 64,234.82

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Solution

The fourth proportional to 120,407.24, 180,558.49 and 64,234.82 is: 96,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,407.24 : 180,558.49 = 64,234.82 : x
  2. Step 2: Convert to fraction form
    120,407.24/180,558.49 = 64,234.82/x
  3. Step 3: Cross multiply
    120,407.24x = 180,558.49 × 64,234.82
  4. Step 4: Simplify right side
    120,407.24x = 11,598,142,104.62
  5. Step 5: Solve for x
    x = 11,598,142,104.62/120,407.24
  6. Step 6: Final answer
    x = 96,324.29

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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.