Home / 118,814.29-178,183.76-38,834.17

Finding the Fourth Proportional to 118,814.29, 178,183.76 and 38,834.17

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Solution

The fourth proportional to 118,814.29, 178,183.76 and 38,834.17 is: 58,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,814.29 : 178,183.76 = 38,834.17 : x
  2. Step 2: Convert to fraction form
    118,814.29/178,183.76 = 38,834.17/x
  3. Step 3: Cross multiply
    118,814.29x = 178,183.76 × 38,834.17
  4. Step 4: Simplify right side
    118,814.29x = 6,919,617,787.45
  5. Step 5: Solve for x
    x = 6,919,617,787.45/118,814.29
  6. Step 6: Final answer
    x = 58,238.94

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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.