Home / 303,815.49-419,301-183,017.76

Finding the Fourth Proportional to 303,815.49, 419,301 and 183,017.76

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Solution

The fourth proportional to 303,815.49, 419,301 and 183,017.76 is: 252,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,815.49 : 419,301 = 183,017.76 : x
  2. Step 2: Convert to fraction form
    303,815.49/419,301 = 183,017.76/x
  3. Step 3: Cross multiply
    303,815.49x = 419,301 × 183,017.76
  4. Step 4: Simplify right side
    303,815.49x = 76,739,529,785.76
  5. Step 5: Solve for x
    x = 76,739,529,785.76/303,815.49
  6. Step 6: Final answer
    x = 252,585.97

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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.