Home / 303,971.11-419,501.85-168,002.13

Finding the Fourth Proportional to 303,971.11, 419,501.85 and 168,002.13

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Solution

The fourth proportional to 303,971.11, 419,501.85 and 168,002.13 is: 231,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,971.11 : 419,501.85 = 168,002.13 : x
  2. Step 2: Convert to fraction form
    303,971.11/419,501.85 = 168,002.13/x
  3. Step 3: Cross multiply
    303,971.11x = 419,501.85 × 168,002.13
  4. Step 4: Simplify right side
    303,971.11x = 70,477,202,922.37
  5. Step 5: Solve for x
    x = 70,477,202,922.37/303,971.11
  6. Step 6: Final answer
    x = 231,854.94

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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.