Home / 193,456.32-266,981.57-108,573.38

Finding the Fourth Proportional to 193,456.32, 266,981.57 and 108,573.38

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Solution

The fourth proportional to 193,456.32, 266,981.57 and 108,573.38 is: 149,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,456.32 : 266,981.57 = 108,573.38 : x
  2. Step 2: Convert to fraction form
    193,456.32/266,981.57 = 108,573.38/x
  3. Step 3: Cross multiply
    193,456.32x = 266,981.57 × 108,573.38
  4. Step 4: Simplify right side
    193,456.32x = 28,987,089,574.83
  5. Step 5: Solve for x
    x = 28,987,089,574.83/193,456.32
  6. Step 6: Final answer
    x = 149,837.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.