Home / 223,947.22-309,047.17-123,345.22

Finding the Fourth Proportional to 223,947.22, 309,047.17 and 123,345.22

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Solution

The fourth proportional to 223,947.22, 309,047.17 and 123,345.22 is: 170,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,947.22 : 309,047.17 = 123,345.22 : x
  2. Step 2: Convert to fraction form
    223,947.22/309,047.17 = 123,345.22/x
  3. Step 3: Cross multiply
    223,947.22x = 309,047.17 × 123,345.22
  4. Step 4: Simplify right side
    223,947.22x = 38,119,491,174.03
  5. Step 5: Solve for x
    x = 38,119,491,174.03/223,947.22
  6. Step 6: Final answer
    x = 170,216.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.