Home / 193,108.79-266,505.86-107,076.31

Finding the Fourth Proportional to 193,108.79, 266,505.86 and 107,076.31

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Solution

The fourth proportional to 193,108.79, 266,505.86 and 107,076.31 is: 147,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,108.79 : 266,505.86 = 107,076.31 : x
  2. Step 2: Convert to fraction form
    193,108.79/266,505.86 = 107,076.31/x
  3. Step 3: Cross multiply
    193,108.79x = 266,505.86 × 107,076.31
  4. Step 4: Simplify right side
    193,108.79x = 28,536,464,082.18
  5. Step 5: Solve for x
    x = 28,536,464,082.18/193,108.79
  6. Step 6: Final answer
    x = 147,774.03

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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.