Home / 192,021.04-288,031.23-79,626.25

Finding the Fourth Proportional to 192,021.04, 288,031.23 and 79,626.25

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Solution

The fourth proportional to 192,021.04, 288,031.23 and 79,626.25 is: 119,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,021.04 : 288,031.23 = 79,626.25 : x
  2. Step 2: Convert to fraction form
    192,021.04/288,031.23 = 79,626.25/x
  3. Step 3: Cross multiply
    192,021.04x = 288,031.23 × 79,626.25
  4. Step 4: Simplify right side
    192,021.04x = 22,934,846,727.79
  5. Step 5: Solve for x
    x = 22,934,846,727.79/192,021.04
  6. Step 6: Final answer
    x = 119,439.24

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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.