Home / 109,246.20-163,869.28-30,361.11

Finding the Fourth Proportional to 109,246.20, 163,869.28 and 30,361.11

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Solution

The fourth proportional to 109,246.20, 163,869.28 and 30,361.11 is: 45,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,246.20 : 163,869.28 = 30,361.11 : x
  2. Step 2: Convert to fraction form
    109,246.20/163,869.28 = 30,361.11/x
  3. Step 3: Cross multiply
    109,246.20x = 163,869.28 × 30,361.11
  4. Step 4: Simplify right side
    109,246.20x = 4,975,253,235.70
  5. Step 5: Solve for x
    x = 4,975,253,235.70/109,246.20
  6. Step 6: Final answer
    x = 45,541.66

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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.