Home / 274,066.74-378,196.70-153,183.96

Finding the Fourth Proportional to 274,066.74, 378,196.70 and 153,183.96

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Solution

The fourth proportional to 274,066.74, 378,196.70 and 153,183.96 is: 211,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,066.74 : 378,196.70 = 153,183.96 : x
  2. Step 2: Convert to fraction form
    274,066.74/378,196.70 = 153,183.96/x
  3. Step 3: Cross multiply
    274,066.74x = 378,196.70 × 153,183.96
  4. Step 4: Simplify right side
    274,066.74x = 57,933,667,399.01
  5. Step 5: Solve for x
    x = 57,933,667,399.01/274,066.74
  6. Step 6: Final answer
    x = 211,385.25

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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.