Home / 193,040.37-266,398.34-108,155.61

Finding the Fourth Proportional to 193,040.37, 266,398.34 and 108,155.61

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Solution

The fourth proportional to 193,040.37, 266,398.34 and 108,155.61 is: 149,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,040.37 : 266,398.34 = 108,155.61 : x
  2. Step 2: Convert to fraction form
    193,040.37/266,398.34 = 108,155.61/x
  3. Step 3: Cross multiply
    193,040.37x = 266,398.34 × 108,155.61
  4. Step 4: Simplify right side
    193,040.37x = 28,812,474,424.91
  5. Step 5: Solve for x
    x = 28,812,474,424.91/193,040.37
  6. Step 6: Final answer
    x = 149,256.21

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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.