Home / 187,072.25-258,164.75-111,664.49

Finding the Fourth Proportional to 187,072.25, 258,164.75 and 111,664.49

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Solution

The fourth proportional to 187,072.25, 258,164.75 and 111,664.49 is: 154,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,072.25 : 258,164.75 = 111,664.49 : x
  2. Step 2: Convert to fraction form
    187,072.25/258,164.75 = 111,664.49/x
  3. Step 3: Cross multiply
    187,072.25x = 258,164.75 × 111,664.49
  4. Step 4: Simplify right side
    187,072.25x = 28,827,834,133.07
  5. Step 5: Solve for x
    x = 28,827,834,133.07/187,072.25
  6. Step 6: Final answer
    x = 154,100.01

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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.