Home / 192,763.08-289,144.48-80,496.16

Finding the Fourth Proportional to 192,763.08, 289,144.48 and 80,496.16

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Solution

The fourth proportional to 192,763.08, 289,144.48 and 80,496.16 is: 120,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,763.08 : 289,144.48 = 80,496.16 : x
  2. Step 2: Convert to fraction form
    192,763.08/289,144.48 = 80,496.16/x
  3. Step 3: Cross multiply
    192,763.08x = 289,144.48 × 80,496.16
  4. Step 4: Simplify right side
    192,763.08x = 23,275,020,325.20
  5. Step 5: Solve for x
    x = 23,275,020,325.20/192,763.08
  6. Step 6: Final answer
    x = 120,744.18

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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.