Home / 193,062.72-288,273.54-172,942.32

Finding the Fourth Proportional to 193,062.72, 288,273.54 and 172,942.32

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Solution

The fourth proportional to 193,062.72, 288,273.54 and 172,942.32 is: 258,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,062.72 : 288,273.54 = 172,942.32 : x
  2. Step 2: Convert to fraction form
    193,062.72/288,273.54 = 172,942.32/x
  3. Step 3: Cross multiply
    193,062.72x = 288,273.54 × 172,942.32
  4. Step 4: Simplify right side
    193,062.72x = 49,854,694,802.21
  5. Step 5: Solve for x
    x = 49,854,694,802.21/193,062.72
  6. Step 6: Final answer
    x = 258,230.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.