Home / 161,789.64-242,685-49,469.44

Finding the Fourth Proportional to 161,789.64, 242,685 and 49,469.44

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Solution

The fourth proportional to 161,789.64, 242,685 and 49,469.44 is: 74,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,789.64 : 242,685 = 49,469.44 : x
  2. Step 2: Convert to fraction form
    161,789.64/242,685 = 49,469.44/x
  3. Step 3: Cross multiply
    161,789.64x = 242,685 × 49,469.44
  4. Step 4: Simplify right side
    161,789.64x = 12,005,491,046.40
  5. Step 5: Solve for x
    x = 12,005,491,046.40/161,789.64
  6. Step 6: Final answer
    x = 74,204.33

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1.5x scale

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.