Home / 168,805.32-253,332.36-80,059.08

Finding the Fourth Proportional to 168,805.32, 253,332.36 and 80,059.08

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Solution

The fourth proportional to 168,805.32, 253,332.36 and 80,059.08 is: 120,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,805.32 : 253,332.36 = 80,059.08 : x
  2. Step 2: Convert to fraction form
    168,805.32/253,332.36 = 80,059.08/x
  3. Step 3: Cross multiply
    168,805.32x = 253,332.36 × 80,059.08
  4. Step 4: Simplify right side
    168,805.32x = 20,281,555,675.83
  5. Step 5: Solve for x
    x = 20,281,555,675.83/168,805.32
  6. Step 6: Final answer
    x = 120,147.61

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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.