Home / 136,118.82-187,844.49-93,603.54

Finding the Fourth Proportional to 136,118.82, 187,844.49 and 93,603.54

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Solution

The fourth proportional to 136,118.82, 187,844.49 and 93,603.54 is: 129,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118.82 : 187,844.49 = 93,603.54 : x
  2. Step 2: Convert to fraction form
    136,118.82/187,844.49 = 93,603.54/x
  3. Step 3: Cross multiply
    136,118.82x = 187,844.49 × 93,603.54
  4. Step 4: Simplify right side
    136,118.82x = 17,582,909,233.49
  5. Step 5: Solve for x
    x = 17,582,909,233.49/136,118.82
  6. Step 6: Final answer
    x = 129,173.24

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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.