Home / 374,940.61-517,418.09-205,174.75

Finding the Fourth Proportional to 374,940.61, 517,418.09 and 205,174.75

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Solution

The fourth proportional to 374,940.61, 517,418.09 and 205,174.75 is: 283,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,940.61 : 517,418.09 = 205,174.75 : x
  2. Step 2: Convert to fraction form
    374,940.61/517,418.09 = 205,174.75/x
  3. Step 3: Cross multiply
    374,940.61x = 517,418.09 × 205,174.75
  4. Step 4: Simplify right side
    374,940.61x = 106,161,127,261.23
  5. Step 5: Solve for x
    x = 106,161,127,261.23/374,940.61
  6. Step 6: Final answer
    x = 283,141.18

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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.