Home / 131,383.54-181,240.50-82,967.92

Finding the Fourth Proportional to 131,383.54, 181,240.50 and 82,967.92

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Solution

The fourth proportional to 131,383.54, 181,240.50 and 82,967.92 is: 114,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,383.54 : 181,240.50 = 82,967.92 : x
  2. Step 2: Convert to fraction form
    131,383.54/181,240.50 = 82,967.92/x
  3. Step 3: Cross multiply
    131,383.54x = 181,240.50 × 82,967.92
  4. Step 4: Simplify right side
    131,383.54x = 15,037,147,304.76
  5. Step 5: Solve for x
    x = 15,037,147,304.76/131,383.54
  6. Step 6: Final answer
    x = 114,452.29

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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.