Home / 168,530.15-252,795.91-42,170.05

Finding the Fourth Proportional to 168,530.15, 252,795.91 and 42,170.05

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Solution

The fourth proportional to 168,530.15, 252,795.91 and 42,170.05 is: 63,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530.15 : 252,795.91 = 42,170.05 : x
  2. Step 2: Convert to fraction form
    168,530.15/252,795.91 = 42,170.05/x
  3. Step 3: Cross multiply
    168,530.15x = 252,795.91 × 42,170.05
  4. Step 4: Simplify right side
    168,530.15x = 10,660,414,900.52
  5. Step 5: Solve for x
    x = 10,660,414,900.52/168,530.15
  6. Step 6: Final answer
    x = 63,255.24

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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.