Home / 193,869.42-267,546-117,402.78

Finding the Fourth Proportional to 193,869.42, 267,546 and 117,402.78

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Solution

The fourth proportional to 193,869.42, 267,546 and 117,402.78 is: 162,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,869.42 : 267,546 = 117,402.78 : x
  2. Step 2: Convert to fraction form
    193,869.42/267,546 = 117,402.78/x
  3. Step 3: Cross multiply
    193,869.42x = 267,546 × 117,402.78
  4. Step 4: Simplify right side
    193,869.42x = 31,410,644,177.88
  5. Step 5: Solve for x
    x = 31,410,644,177.88/193,869.42
  6. Step 6: Final answer
    x = 162,019.59

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1.5x scale

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.