Home / 168,441.12-252,720-112,505.76

Finding the Fourth Proportional to 168,441.12, 252,720 and 112,505.76

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Solution

The fourth proportional to 168,441.12, 252,720 and 112,505.76 is: 168,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,441.12 : 252,720 = 112,505.76 : x
  2. Step 2: Convert to fraction form
    168,441.12/252,720 = 112,505.76/x
  3. Step 3: Cross multiply
    168,441.12x = 252,720 × 112,505.76
  4. Step 4: Simplify right side
    168,441.12x = 28,432,455,667.20
  5. Step 5: Solve for x
    x = 28,432,455,667.20/168,441.12
  6. Step 6: Final answer
    x = 168,797.59

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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.