Home / 193,510.40-267,045.12-108,631.68

Finding the Fourth Proportional to 193,510.40, 267,045.12 and 108,631.68

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Solution

The fourth proportional to 193,510.40, 267,045.12 and 108,631.68 is: 149,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,510.40 : 267,045.12 = 108,631.68 : x
  2. Step 2: Convert to fraction form
    193,510.40/267,045.12 = 108,631.68/x
  3. Step 3: Cross multiply
    193,510.40x = 267,045.12 × 108,631.68
  4. Step 4: Simplify right side
    193,510.40x = 29,009,560,021.40
  5. Step 5: Solve for x
    x = 29,009,560,021.40/193,510.40
  6. Step 6: Final answer
    x = 149,912.15

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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.