Home / 302,811.12-454,286.94-103,133.22

Finding the Fourth Proportional to 302,811.12, 454,286.94 and 103,133.22

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Solution

The fourth proportional to 302,811.12, 454,286.94 and 103,133.22 is: 154,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,811.12 : 454,286.94 = 103,133.22 : x
  2. Step 2: Convert to fraction form
    302,811.12/454,286.94 = 103,133.22/x
  3. Step 3: Cross multiply
    302,811.12x = 454,286.94 × 103,133.22
  4. Step 4: Simplify right side
    302,811.12x = 46,852,074,926.15
  5. Step 5: Solve for x
    x = 46,852,074,926.15/302,811.12
  6. Step 6: Final answer
    x = 154,723.76

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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.