Home / 187,906.04-259,273.82-111,411

Finding the Fourth Proportional to 187,906.04, 259,273.82 and 111,411

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Solution

The fourth proportional to 187,906.04, 259,273.82 and 111,411 is: 153,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,906.04 : 259,273.82 = 111,411 : x
  2. Step 2: Convert to fraction form
    187,906.04/259,273.82 = 111,411/x
  3. Step 3: Cross multiply
    187,906.04x = 259,273.82 × 111,411
  4. Step 4: Simplify right side
    187,906.04x = 28,885,955,560.02
  5. Step 5: Solve for x
    x = 28,885,955,560.02/187,906.04
  6. Step 6: Final answer
    x = 153,725.53

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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.