Home / 223,961.32-309,066.60-123,359.32

Finding the Fourth Proportional to 223,961.32, 309,066.60 and 123,359.32

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Solution

The fourth proportional to 223,961.32, 309,066.60 and 123,359.32 is: 170,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,961.32 : 309,066.60 = 123,359.32 : x
  2. Step 2: Convert to fraction form
    223,961.32/309,066.60 = 123,359.32/x
  3. Step 3: Cross multiply
    223,961.32x = 309,066.60 × 123,359.32
  4. Step 4: Simplify right side
    223,961.32x = 38,126,245,610.71
  5. Step 5: Solve for x
    x = 38,126,245,610.71/223,961.32
  6. Step 6: Final answer
    x = 170,235.85

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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.