Home / 192,694.14-288,667.17-142,001.19

Finding the Fourth Proportional to 192,694.14, 288,667.17 and 142,001.19

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Solution

The fourth proportional to 192,694.14, 288,667.17 and 142,001.19 is: 212,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,694.14 : 288,667.17 = 142,001.19 : x
  2. Step 2: Convert to fraction form
    192,694.14/288,667.17 = 142,001.19/x
  3. Step 3: Cross multiply
    192,694.14x = 288,667.17 × 142,001.19
  4. Step 4: Simplify right side
    192,694.14x = 40,991,081,653.93
  5. Step 5: Solve for x
    x = 40,991,081,653.93/192,694.14
  6. Step 6: Final answer
    x = 212,726.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.