Home / 192,013.20-288,053.24-65,666.09

Finding the Fourth Proportional to 192,013.20, 288,053.24 and 65,666.09

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Solution

The fourth proportional to 192,013.20, 288,053.24 and 65,666.09 is: 98,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,013.20 : 288,053.24 = 65,666.09 : x
  2. Step 2: Convert to fraction form
    192,013.20/288,053.24 = 65,666.09/x
  3. Step 3: Cross multiply
    192,013.20x = 288,053.24 × 65,666.09
  4. Step 4: Simplify right side
    192,013.20x = 18,915,328,214.04
  5. Step 5: Solve for x
    x = 18,915,328,214.04/192,013.20
  6. Step 6: Final answer
    x = 98,510.56

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1.5x scale

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.