Home / 131,654.25-181,682.60-71,224.94

Finding the Fourth Proportional to 131,654.25, 181,682.60 and 71,224.94

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Solution

The fourth proportional to 131,654.25, 181,682.60 and 71,224.94 is: 98,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,654.25 : 181,682.60 = 71,224.94 : x
  2. Step 2: Convert to fraction form
    131,654.25/181,682.60 = 71,224.94/x
  3. Step 3: Cross multiply
    131,654.25x = 181,682.60 × 71,224.94
  4. Step 4: Simplify right side
    131,654.25x = 12,940,332,284.04
  5. Step 5: Solve for x
    x = 12,940,332,284.04/131,654.25
  6. Step 6: Final answer
    x = 98,290.27

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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.