Home / 193,521.09-267,059.07-108,638.07

Finding the Fourth Proportional to 193,521.09, 267,059.07 and 108,638.07

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Solution

The fourth proportional to 193,521.09, 267,059.07 and 108,638.07 is: 149,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,521.09 : 267,059.07 = 108,638.07 : x
  2. Step 2: Convert to fraction form
    193,521.09/267,059.07 = 108,638.07/x
  3. Step 3: Cross multiply
    193,521.09x = 267,059.07 × 108,638.07
  4. Step 4: Simplify right side
    193,521.09x = 29,012,781,940.79
  5. Step 5: Solve for x
    x = 29,012,781,940.79/193,521.09
  6. Step 6: Final answer
    x = 149,920.52

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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.