Home / 118,143.90-177,226.89-47,049.39

Finding the Fourth Proportional to 118,143.90, 177,226.89 and 47,049.39

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Solution

The fourth proportional to 118,143.90, 177,226.89 and 47,049.39 is: 70,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143.90 : 177,226.89 = 47,049.39 : x
  2. Step 2: Convert to fraction form
    118,143.90/177,226.89 = 47,049.39/x
  3. Step 3: Cross multiply
    118,143.90x = 177,226.89 × 47,049.39
  4. Step 4: Simplify right side
    118,143.90x = 8,338,416,889.66
  5. Step 5: Solve for x
    x = 8,338,416,889.66/118,143.90
  6. Step 6: Final answer
    x = 70,578.48

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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.