Home / 147,221.83-220,832.82-47,382.02

Finding the Fourth Proportional to 147,221.83, 220,832.82 and 47,382.02

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Solution

The fourth proportional to 147,221.83, 220,832.82 and 47,382.02 is: 71,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,221.83 : 220,832.82 = 47,382.02 : x
  2. Step 2: Convert to fraction form
    147,221.83/220,832.82 = 47,382.02/x
  3. Step 3: Cross multiply
    147,221.83x = 220,832.82 × 47,382.02
  4. Step 4: Simplify right side
    147,221.83x = 10,463,505,093.90
  5. Step 5: Solve for x
    x = 10,463,505,093.90/147,221.83
  6. Step 6: Final answer
    x = 71,073.05

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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.