Home / 189,743.62-284,616.67-75,900.95

Finding the Fourth Proportional to 189,743.62, 284,616.67 and 75,900.95

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Solution

The fourth proportional to 189,743.62, 284,616.67 and 75,900.95 is: 113,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,743.62 : 284,616.67 = 75,900.95 : x
  2. Step 2: Convert to fraction form
    189,743.62/284,616.67 = 75,900.95/x
  3. Step 3: Cross multiply
    189,743.62x = 284,616.67 × 75,900.95
  4. Step 4: Simplify right side
    189,743.62x = 21,602,673,836.25
  5. Step 5: Solve for x
    x = 21,602,673,836.25/189,743.62
  6. Step 6: Final answer
    x = 113,851.91

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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.