Home / 188,206.34-259,725.69-107,637.26

Finding the Fourth Proportional to 188,206.34, 259,725.69 and 107,637.26

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Solution

The fourth proportional to 188,206.34, 259,725.69 and 107,637.26 is: 148,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,206.34 : 259,725.69 = 107,637.26 : x
  2. Step 2: Convert to fraction form
    188,206.34/259,725.69 = 107,637.26/x
  3. Step 3: Cross multiply
    188,206.34x = 259,725.69 × 107,637.26
  4. Step 4: Simplify right side
    188,206.34x = 27,956,160,324.58
  5. Step 5: Solve for x
    x = 27,956,160,324.58/188,206.34
  6. Step 6: Final answer
    x = 148,539.95

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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.