Home / 189,516.53-261,528.95-108,943.35

Finding the Fourth Proportional to 189,516.53, 261,528.95 and 108,943.35

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Solution

The fourth proportional to 189,516.53, 261,528.95 and 108,943.35 is: 150,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,516.53 : 261,528.95 = 108,943.35 : x
  2. Step 2: Convert to fraction form
    189,516.53/261,528.95 = 108,943.35/x
  3. Step 3: Cross multiply
    189,516.53x = 261,528.95 × 108,943.35
  4. Step 4: Simplify right side
    189,516.53x = 28,491,839,226.61
  5. Step 5: Solve for x
    x = 28,491,839,226.61/189,516.53
  6. Step 6: Final answer
    x = 150,339.60

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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.