Home / 368,106.93-552,144.33-115,381.65

Finding the Fourth Proportional to 368,106.93, 552,144.33 and 115,381.65

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Solution

The fourth proportional to 368,106.93, 552,144.33 and 115,381.65 is: 173,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,106.93 : 552,144.33 = 115,381.65 : x
  2. Step 2: Convert to fraction form
    368,106.93/552,144.33 = 115,381.65/x
  3. Step 3: Cross multiply
    368,106.93x = 552,144.33 × 115,381.65
  4. Step 4: Simplify right side
    368,106.93x = 63,707,323,833.54
  5. Step 5: Solve for x
    x = 63,707,323,833.54/368,106.93
  6. Step 6: Final answer
    x = 173,067.44

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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.