Home / 120,441.12-180,596.52-95,640.72

Finding the Fourth Proportional to 120,441.12, 180,596.52 and 95,640.72

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Solution

The fourth proportional to 120,441.12, 180,596.52 and 95,640.72 is: 143,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,441.12 : 180,596.52 = 95,640.72 : x
  2. Step 2: Convert to fraction form
    120,441.12/180,596.52 = 95,640.72/x
  3. Step 3: Cross multiply
    120,441.12x = 180,596.52 × 95,640.72
  4. Step 4: Simplify right side
    120,441.12x = 17,272,381,202.29
  5. Step 5: Solve for x
    x = 17,272,381,202.29/120,441.12
  6. Step 6: Final answer
    x = 143,409.34

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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.