Home / 120,363.32-180,588.18-53,797.88

Finding the Fourth Proportional to 120,363.32, 180,588.18 and 53,797.88

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Solution

The fourth proportional to 120,363.32, 180,588.18 and 53,797.88 is: 80,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,363.32 : 180,588.18 = 53,797.88 : x
  2. Step 2: Convert to fraction form
    120,363.32/180,588.18 = 53,797.88/x
  3. Step 3: Cross multiply
    120,363.32x = 180,588.18 × 53,797.88
  4. Step 4: Simplify right side
    120,363.32x = 9,715,261,237.06
  5. Step 5: Solve for x
    x = 9,715,261,237.06/120,363.32
  6. Step 6: Final answer
    x = 80,716.13

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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.