Home / 193,868.20-267,742.09-172,734.90

Finding the Fourth Proportional to 193,868.20, 267,742.09 and 172,734.90

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Solution

The fourth proportional to 193,868.20, 267,742.09 and 172,734.90 is: 238,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,868.20 : 267,742.09 = 172,734.90 : x
  2. Step 2: Convert to fraction form
    193,868.20/267,742.09 = 172,734.90/x
  3. Step 3: Cross multiply
    193,868.20x = 267,742.09 × 172,734.90
  4. Step 4: Simplify right side
    193,868.20x = 46,248,401,608.91
  5. Step 5: Solve for x
    x = 46,248,401,608.91/193,868.20
  6. Step 6: Final answer
    x = 238,555.89

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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.