Home / 150,718.15-207,979.62-82,724.32

Finding the Fourth Proportional to 150,718.15, 207,979.62 and 82,724.32

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Solution

The fourth proportional to 150,718.15, 207,979.62 and 82,724.32 is: 114,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,718.15 : 207,979.62 = 82,724.32 : x
  2. Step 2: Convert to fraction form
    150,718.15/207,979.62 = 82,724.32/x
  3. Step 3: Cross multiply
    150,718.15x = 207,979.62 × 82,724.32
  4. Step 4: Simplify right side
    150,718.15x = 17,204,972,638.36
  5. Step 5: Solve for x
    x = 17,204,972,638.36/150,718.15
  6. Step 6: Final answer
    x = 114,153.29

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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.