Home / 189,789.21-284,683.86-49,546.62

Finding the Fourth Proportional to 189,789.21, 284,683.86 and 49,546.62

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Solution

The fourth proportional to 189,789.21, 284,683.86 and 49,546.62 is: 74,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,789.21 : 284,683.86 = 49,546.62 : x
  2. Step 2: Convert to fraction form
    189,789.21/284,683.86 = 49,546.62/x
  3. Step 3: Cross multiply
    189,789.21x = 284,683.86 × 49,546.62
  4. Step 4: Simplify right side
    189,789.21x = 14,105,123,031.55
  5. Step 5: Solve for x
    x = 14,105,123,031.55/189,789.21
  6. Step 6: Final answer
    x = 74,319.94

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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.