Home / 135,738.54-187,196.45-84,755.93

Finding the Fourth Proportional to 135,738.54, 187,196.45 and 84,755.93

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Solution

The fourth proportional to 135,738.54, 187,196.45 and 84,755.93 is: 116,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,738.54 : 187,196.45 = 84,755.93 : x
  2. Step 2: Convert to fraction form
    135,738.54/187,196.45 = 84,755.93/x
  3. Step 3: Cross multiply
    135,738.54x = 187,196.45 × 84,755.93
  4. Step 4: Simplify right side
    135,738.54x = 15,866,007,852.69
  5. Step 5: Solve for x
    x = 15,866,007,852.69/135,738.54
  6. Step 6: Final answer
    x = 116,886.54

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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.