Home / 300,948.28-451,291.19-113,828.56

Finding the Fourth Proportional to 300,948.28, 451,291.19 and 113,828.56

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Solution

The fourth proportional to 300,948.28, 451,291.19 and 113,828.56 is: 170,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,948.28 : 451,291.19 = 113,828.56 : x
  2. Step 2: Convert to fraction form
    300,948.28/451,291.19 = 113,828.56/x
  3. Step 3: Cross multiply
    300,948.28x = 451,291.19 × 113,828.56
  4. Step 4: Simplify right side
    300,948.28x = 51,369,826,298.39
  5. Step 5: Solve for x
    x = 51,369,826,298.39/300,948.28
  6. Step 6: Final answer
    x = 170,693.20

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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.