Home / 274,301.44-378,543.58-153,463.61

Finding the Fourth Proportional to 274,301.44, 378,543.58 and 153,463.61

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Solution

The fourth proportional to 274,301.44, 378,543.58 and 153,463.61 is: 211,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,301.44 : 378,543.58 = 153,463.61 : x
  2. Step 2: Convert to fraction form
    274,301.44/378,543.58 = 153,463.61/x
  3. Step 3: Cross multiply
    274,301.44x = 378,543.58 × 153,463.61
  4. Step 4: Simplify right side
    274,301.44x = 58,092,664,891.82
  5. Step 5: Solve for x
    x = 58,092,664,891.82/274,301.44
  6. Step 6: Final answer
    x = 211,784.03

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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.