Home / 82,173.56-123,260.07-19,844.06

Finding the Fourth Proportional to 82,173.56, 123,260.07 and 19,844.06

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Solution

The fourth proportional to 82,173.56, 123,260.07 and 19,844.06 is: 29,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.56 : 123,260.07 = 19,844.06 : x
  2. Step 2: Convert to fraction form
    82,173.56/123,260.07 = 19,844.06/x
  3. Step 3: Cross multiply
    82,173.56x = 123,260.07 × 19,844.06
  4. Step 4: Simplify right side
    82,173.56x = 2,445,980,224.68
  5. Step 5: Solve for x
    x = 2,445,980,224.68/82,173.56
  6. Step 6: Final answer
    x = 29,766.02

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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.