Home / 179,844.16-270,072.42-172,320.88

Finding the Fourth Proportional to 179,844.16, 270,072.42 and 172,320.88

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Solution

The fourth proportional to 179,844.16, 270,072.42 and 172,320.88 is: 258,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,844.16 : 270,072.42 = 172,320.88 : x
  2. Step 2: Convert to fraction form
    179,844.16/270,072.42 = 172,320.88/x
  3. Step 3: Cross multiply
    179,844.16x = 270,072.42 × 172,320.88
  4. Step 4: Simplify right side
    179,844.16x = 46,539,117,078.13
  5. Step 5: Solve for x
    x = 46,539,117,078.13/179,844.16
  6. Step 6: Final answer
    x = 258,774.69

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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.