Home / 135,721.44-187,333.92-95,444.64

Finding the Fourth Proportional to 135,721.44, 187,333.92 and 95,444.64

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Solution

The fourth proportional to 135,721.44, 187,333.92 and 95,444.64 is: 131,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,721.44 : 187,333.92 = 95,444.64 : x
  2. Step 2: Convert to fraction form
    135,721.44/187,333.92 = 95,444.64/x
  3. Step 3: Cross multiply
    135,721.44x = 187,333.92 × 95,444.64
  4. Step 4: Simplify right side
    135,721.44x = 17,880,018,554.19
  5. Step 5: Solve for x
    x = 17,880,018,554.19/135,721.44
  6. Step 6: Final answer
    x = 131,740.56

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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.