Home / 107,854.20-161,786.10-41,326.20

Finding the Fourth Proportional to 107,854.20, 161,786.10 and 41,326.20

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Solution

The fourth proportional to 107,854.20, 161,786.10 and 41,326.20 is: 61,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,854.20 : 161,786.10 = 41,326.20 : x
  2. Step 2: Convert to fraction form
    107,854.20/161,786.10 = 41,326.20/x
  3. Step 3: Cross multiply
    107,854.20x = 161,786.10 × 41,326.20
  4. Step 4: Simplify right side
    107,854.20x = 6,686,004,725.82
  5. Step 5: Solve for x
    x = 6,686,004,725.82/107,854.20
  6. Step 6: Final answer
    x = 61,991.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.