Home / 136,710.54-188,673.58-82,983.24

Finding the Fourth Proportional to 136,710.54, 188,673.58 and 82,983.24

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Solution

The fourth proportional to 136,710.54, 188,673.58 and 82,983.24 is: 114,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,710.54 : 188,673.58 = 82,983.24 : x
  2. Step 2: Convert to fraction form
    136,710.54/188,673.58 = 82,983.24/x
  3. Step 3: Cross multiply
    136,710.54x = 188,673.58 × 82,983.24
  4. Step 4: Simplify right side
    136,710.54x = 15,656,744,970.80
  5. Step 5: Solve for x
    x = 15,656,744,970.80/136,710.54
  6. Step 6: Final answer
    x = 114,524.78

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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.