Home / 192,981.92-289,480.98-52,740.14

Finding the Fourth Proportional to 192,981.92, 289,480.98 and 52,740.14

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Solution

The fourth proportional to 192,981.92, 289,480.98 and 52,740.14 is: 79,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,981.92 : 289,480.98 = 52,740.14 : x
  2. Step 2: Convert to fraction form
    192,981.92/289,480.98 = 52,740.14/x
  3. Step 3: Cross multiply
    192,981.92x = 289,480.98 × 52,740.14
  4. Step 4: Simplify right side
    192,981.92x = 15,267,267,412.54
  5. Step 5: Solve for x
    x = 15,267,267,412.54/192,981.92
  6. Step 6: Final answer
    x = 79,112.42

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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.