Home / 193,377.14-266,856.32-107,331.11

Finding the Fourth Proportional to 193,377.14, 266,856.32 and 107,331.11

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Solution

The fourth proportional to 193,377.14, 266,856.32 and 107,331.11 is: 148,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,377.14 : 266,856.32 = 107,331.11 : x
  2. Step 2: Convert to fraction form
    193,377.14/266,856.32 = 107,331.11/x
  3. Step 3: Cross multiply
    193,377.14x = 266,856.32 × 107,331.11
  4. Step 4: Simplify right side
    193,377.14x = 28,641,984,970.87
  5. Step 5: Solve for x
    x = 28,641,984,970.87/193,377.14
  6. Step 6: Final answer
    x = 148,114.64

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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.