Home / 135,956.74-187,710.69-85,046.26

Finding the Fourth Proportional to 135,956.74, 187,710.69 and 85,046.26

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Solution

The fourth proportional to 135,956.74, 187,710.69 and 85,046.26 is: 117,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,956.74 : 187,710.69 = 85,046.26 : x
  2. Step 2: Convert to fraction form
    135,956.74/187,710.69 = 85,046.26/x
  3. Step 3: Cross multiply
    135,956.74x = 187,710.69 × 85,046.26
  4. Step 4: Simplify right side
    135,956.74x = 15,964,092,146.52
  5. Step 5: Solve for x
    x = 15,964,092,146.52/135,956.74
  6. Step 6: Final answer
    x = 117,420.38

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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.