Home / 150,972.32-208,344.40-82,992.16

Finding the Fourth Proportional to 150,972.32, 208,344.40 and 82,992.16

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Solution

The fourth proportional to 150,972.32, 208,344.40 and 82,992.16 is: 114,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,972.32 : 208,344.40 = 82,992.16 : x
  2. Step 2: Convert to fraction form
    150,972.32/208,344.40 = 82,992.16/x
  3. Step 3: Cross multiply
    150,972.32x = 208,344.40 × 82,992.16
  4. Step 4: Simplify right side
    150,972.32x = 17,290,952,067.89
  5. Step 5: Solve for x
    x = 17,290,952,067.89/150,972.32
  6. Step 6: Final answer
    x = 114,530.61

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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.