Home / 135,594.36-187,107.76-75,162.10

Finding the Fourth Proportional to 135,594.36, 187,107.76 and 75,162.10

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Solution

The fourth proportional to 135,594.36, 187,107.76 and 75,162.10 is: 103,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,594.36 : 187,107.76 = 75,162.10 : x
  2. Step 2: Convert to fraction form
    135,594.36/187,107.76 = 75,162.10/x
  3. Step 3: Cross multiply
    135,594.36x = 187,107.76 × 75,162.10
  4. Step 4: Simplify right side
    135,594.36x = 14,063,412,167.90
  5. Step 5: Solve for x
    x = 14,063,412,167.90/135,594.36
  6. Step 6: Final answer
    x = 103,716.79

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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.