Home / 303,972.11-419,503.23-168,003.13

Finding the Fourth Proportional to 303,972.11, 419,503.23 and 168,003.13

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Solution

The fourth proportional to 303,972.11, 419,503.23 and 168,003.13 is: 231,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.11 : 419,503.23 = 168,003.13 : x
  2. Step 2: Convert to fraction form
    303,972.11/419,503.23 = 168,003.13/x
  3. Step 3: Cross multiply
    303,972.11x = 419,503.23 × 168,003.13
  4. Step 4: Simplify right side
    303,972.11x = 70,477,855,685.11
  5. Step 5: Solve for x
    x = 70,477,855,685.11/303,972.11
  6. Step 6: Final answer
    x = 231,856.32

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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.