Home / 303,316.20-454,974.30-191,123.10

Finding the Fourth Proportional to 303,316.20, 454,974.30 and 191,123.10

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Solution

The fourth proportional to 303,316.20, 454,974.30 and 191,123.10 is: 286,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,316.20 : 454,974.30 = 191,123.10 : x
  2. Step 2: Convert to fraction form
    303,316.20/454,974.30 = 191,123.10/x
  3. Step 3: Cross multiply
    303,316.20x = 454,974.30 × 191,123.10
  4. Step 4: Simplify right side
    303,316.20x = 86,956,098,636.33
  5. Step 5: Solve for x
    x = 86,956,098,636.33/303,316.20
  6. Step 6: Final answer
    x = 286,684.65

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Similar ratio
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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.