Home / 171,791.20-237,083.06-99,197.15

Finding the Fourth Proportional to 171,791.20, 237,083.06 and 99,197.15

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Solution

The fourth proportional to 171,791.20, 237,083.06 and 99,197.15 is: 136,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,791.20 : 237,083.06 = 99,197.15 : x
  2. Step 2: Convert to fraction form
    171,791.20/237,083.06 = 99,197.15/x
  3. Step 3: Cross multiply
    171,791.20x = 237,083.06 × 99,197.15
  4. Step 4: Simplify right side
    171,791.20x = 23,517,964,261.45
  5. Step 5: Solve for x
    x = 23,517,964,261.45/171,791.20
  6. Step 6: Final answer
    x = 136,898.54

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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.