Home / 192,788.60-266,063.46-142,033.40

Finding the Fourth Proportional to 192,788.60, 266,063.46 and 142,033.40

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Solution

The fourth proportional to 192,788.60, 266,063.46 and 142,033.40 is: 196,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,788.60 : 266,063.46 = 142,033.40 : x
  2. Step 2: Convert to fraction form
    192,788.60/266,063.46 = 142,033.40/x
  3. Step 3: Cross multiply
    192,788.60x = 266,063.46 × 142,033.40
  4. Step 4: Simplify right side
    192,788.60x = 37,789,897,839.56
  5. Step 5: Solve for x
    x = 37,789,897,839.56/192,788.60
  6. Step 6: Final answer
    x = 196,017.28

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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.