Home / 82,190.56-123,291.36-28,876.06

Finding the Fourth Proportional to 82,190.56, 123,291.36 and 28,876.06

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Solution

The fourth proportional to 82,190.56, 123,291.36 and 28,876.06 is: 43,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,190.56 : 123,291.36 = 28,876.06 : x
  2. Step 2: Convert to fraction form
    82,190.56/123,291.36 = 28,876.06/x
  3. Step 3: Cross multiply
    82,190.56x = 123,291.36 × 28,876.06
  4. Step 4: Simplify right side
    82,190.56x = 3,560,168,708.84
  5. Step 5: Solve for x
    x = 3,560,168,708.84/82,190.56
  6. Step 6: Final answer
    x = 43,316.03

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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.