Home / 100,724.16-151,085.68-25,844.16

Finding the Fourth Proportional to 100,724.16, 151,085.68 and 25,844.16

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Solution

The fourth proportional to 100,724.16, 151,085.68 and 25,844.16 is: 38,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724.16 : 151,085.68 = 25,844.16 : x
  2. Step 2: Convert to fraction form
    100,724.16/151,085.68 = 25,844.16/x
  3. Step 3: Cross multiply
    100,724.16x = 151,085.68 × 25,844.16
  4. Step 4: Simplify right side
    100,724.16x = 3,904,682,487.63
  5. Step 5: Solve for x
    x = 3,904,682,487.63/100,724.16
  6. Step 6: Final answer
    x = 38,766.10

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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.