Home / 192,708.24-266,011.20-129,022.80

Finding the Fourth Proportional to 192,708.24, 266,011.20 and 129,022.80

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Solution

The fourth proportional to 192,708.24, 266,011.20 and 129,022.80 is: 178,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,708.24 : 266,011.20 = 129,022.80 : x
  2. Step 2: Convert to fraction form
    192,708.24/266,011.20 = 129,022.80/x
  3. Step 3: Cross multiply
    192,708.24x = 266,011.20 × 129,022.80
  4. Step 4: Simplify right side
    192,708.24x = 34,321,509,855.36
  5. Step 5: Solve for x
    x = 34,321,509,855.36/192,708.24
  6. Step 6: Final answer
    x = 178,100.89

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1.5x scale

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.