Home / 168,801.30-253,326.36-80,055.06

Finding the Fourth Proportional to 168,801.30, 253,326.36 and 80,055.06

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Solution

The fourth proportional to 168,801.30, 253,326.36 and 80,055.06 is: 120,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,801.30 : 253,326.36 = 80,055.06 : x
  2. Step 2: Convert to fraction form
    168,801.30/253,326.36 = 80,055.06/x
  3. Step 3: Cross multiply
    168,801.30x = 253,326.36 × 80,055.06
  4. Step 4: Simplify right side
    168,801.30x = 20,280,056,949.38
  5. Step 5: Solve for x
    x = 20,280,056,949.38/168,801.30
  6. Step 6: Final answer
    x = 120,141.59

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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.