Home / 115,066.90-158,754.21-67,286.44

Finding the Fourth Proportional to 115,066.90, 158,754.21 and 67,286.44

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Solution

The fourth proportional to 115,066.90, 158,754.21 and 67,286.44 is: 92,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,066.90 : 158,754.21 = 67,286.44 : x
  2. Step 2: Convert to fraction form
    115,066.90/158,754.21 = 67,286.44/x
  3. Step 3: Cross multiply
    115,066.90x = 158,754.21 × 67,286.44
  4. Step 4: Simplify right side
    115,066.90x = 10,682,005,625.91
  5. Step 5: Solve for x
    x = 10,682,005,625.91/115,066.90
  6. Step 6: Final answer
    x = 92,833.00

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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.