Home / 193,761.74-267,391.31-112,101.45

Finding the Fourth Proportional to 193,761.74, 267,391.31 and 112,101.45

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Solution

The fourth proportional to 193,761.74, 267,391.31 and 112,101.45 is: 154,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,761.74 : 267,391.31 = 112,101.45 : x
  2. Step 2: Convert to fraction form
    193,761.74/267,391.31 = 112,101.45/x
  3. Step 3: Cross multiply
    193,761.74x = 267,391.31 × 112,101.45
  4. Step 4: Simplify right side
    193,761.74x = 29,974,953,007.89
  5. Step 5: Solve for x
    x = 29,974,953,007.89/193,761.74
  6. Step 6: Final answer
    x = 154,700.07

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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.