Home / 329,001.16-493,505.79-115,775.44

Finding the Fourth Proportional to 329,001.16, 493,505.79 and 115,775.44

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Solution

The fourth proportional to 329,001.16, 493,505.79 and 115,775.44 is: 173,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,001.16 : 493,505.79 = 115,775.44 : x
  2. Step 2: Convert to fraction form
    329,001.16/493,505.79 = 115,775.44/x
  3. Step 3: Cross multiply
    329,001.16x = 493,505.79 × 115,775.44
  4. Step 4: Simplify right side
    329,001.16x = 57,135,849,979.80
  5. Step 5: Solve for x
    x = 57,135,849,979.80/329,001.16
  6. Step 6: Final answer
    x = 173,664.59

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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.