Home / 193,854.42-267,525.30-117,387.78

Finding the Fourth Proportional to 193,854.42, 267,525.30 and 117,387.78

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Solution

The fourth proportional to 193,854.42, 267,525.30 and 117,387.78 is: 161,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,854.42 : 267,525.30 = 117,387.78 : x
  2. Step 2: Convert to fraction form
    193,854.42/267,525.30 = 117,387.78/x
  3. Step 3: Cross multiply
    193,854.42x = 267,525.30 × 117,387.78
  4. Step 4: Simplify right side
    193,854.42x = 31,404,201,060.83
  5. Step 5: Solve for x
    x = 31,404,201,060.83/193,854.42
  6. Step 6: Final answer
    x = 161,998.89

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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.