Home / 193,738.60-267,450.18-129,315.40

Finding the Fourth Proportional to 193,738.60, 267,450.18 and 129,315.40

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Solution

The fourth proportional to 193,738.60, 267,450.18 and 129,315.40 is: 178,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,738.60 : 267,450.18 = 129,315.40 : x
  2. Step 2: Convert to fraction form
    193,738.60/267,450.18 = 129,315.40/x
  3. Step 3: Cross multiply
    193,738.60x = 267,450.18 × 129,315.40
  4. Step 4: Simplify right side
    193,738.60x = 34,585,427,006.77
  5. Step 5: Solve for x
    x = 34,585,427,006.77/193,738.60
  6. Step 6: Final answer
    x = 178,515.93

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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.