Home / 187,864.95-281,169.95-111,716.34

Finding the Fourth Proportional to 187,864.95, 281,169.95 and 111,716.34

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Solution

The fourth proportional to 187,864.95, 281,169.95 and 111,716.34 is: 167,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,864.95 : 281,169.95 = 111,716.34 : x
  2. Step 2: Convert to fraction form
    187,864.95/281,169.95 = 111,716.34/x
  3. Step 3: Cross multiply
    187,864.95x = 281,169.95 × 111,716.34
  4. Step 4: Simplify right side
    187,864.95x = 31,411,277,173.40
  5. Step 5: Solve for x
    x = 31,411,277,173.40/187,864.95
  6. Step 6: Final answer
    x = 167,201.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.