Home / 261,933.40-361,469.55-153,044.14

Finding the Fourth Proportional to 261,933.40, 361,469.55 and 153,044.14

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Solution

The fourth proportional to 261,933.40, 361,469.55 and 153,044.14 is: 211,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,933.40 : 361,469.55 = 153,044.14 : x
  2. Step 2: Convert to fraction form
    261,933.40/361,469.55 = 153,044.14/x
  3. Step 3: Cross multiply
    261,933.40x = 361,469.55 × 153,044.14
  4. Step 4: Simplify right side
    261,933.40x = 55,320,796,415.94
  5. Step 5: Solve for x
    x = 55,320,796,415.94/261,933.40
  6. Step 6: Final answer
    x = 211,201.77

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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.