Home / 120,366.96-180,535.86-61,245.06

Finding the Fourth Proportional to 120,366.96, 180,535.86 and 61,245.06

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Solution

The fourth proportional to 120,366.96, 180,535.86 and 61,245.06 is: 91,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,366.96 : 180,535.86 = 61,245.06 : x
  2. Step 2: Convert to fraction form
    120,366.96/180,535.86 = 61,245.06/x
  3. Step 3: Cross multiply
    120,366.96x = 180,535.86 × 61,245.06
  4. Step 4: Simplify right side
    120,366.96x = 11,056,929,577.85
  5. Step 5: Solve for x
    x = 11,056,929,577.85/120,366.96
  6. Step 6: Final answer
    x = 91,860.17

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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.