Home / 194,481.68-291,528.72-82,190.16

Finding the Fourth Proportional to 194,481.68, 291,528.72 and 82,190.16

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Solution

The fourth proportional to 194,481.68, 291,528.72 and 82,190.16 is: 123,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,481.68 : 291,528.72 = 82,190.16 : x
  2. Step 2: Convert to fraction form
    194,481.68/291,528.72 = 82,190.16/x
  3. Step 3: Cross multiply
    194,481.68x = 291,528.72 × 82,190.16
  4. Step 4: Simplify right side
    194,481.68x = 23,960,792,141.40
  5. Step 5: Solve for x
    x = 23,960,792,141.40/194,481.68
  6. Step 6: Final answer
    x = 123,203.34

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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.