Home / 118,910.43-178,363.62-40,024.67

Finding the Fourth Proportional to 118,910.43, 178,363.62 and 40,024.67

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Solution

The fourth proportional to 118,910.43, 178,363.62 and 40,024.67 is: 60,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,910.43 : 178,363.62 = 40,024.67 : x
  2. Step 2: Convert to fraction form
    118,910.43/178,363.62 = 40,024.67/x
  3. Step 3: Cross multiply
    118,910.43x = 178,363.62 × 40,024.67
  4. Step 4: Simplify right side
    118,910.43x = 7,138,944,138.69
  5. Step 5: Solve for x
    x = 7,138,944,138.69/118,910.43
  6. Step 6: Final answer
    x = 60,036.32

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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.