Home / 118,514.38-177,771.57-47,469.28

Finding the Fourth Proportional to 118,514.38, 177,771.57 and 47,469.28

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Solution

The fourth proportional to 118,514.38, 177,771.57 and 47,469.28 is: 71,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.38 : 177,771.57 = 47,469.28 : x
  2. Step 2: Convert to fraction form
    118,514.38/177,771.57 = 47,469.28/x
  3. Step 3: Cross multiply
    118,514.38x = 177,771.57 × 47,469.28
  4. Step 4: Simplify right side
    118,514.38x = 8,438,688,432.37
  5. Step 5: Solve for x
    x = 8,438,688,432.37/118,514.38
  6. Step 6: Final answer
    x = 71,203.92

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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.