Home / 118,213.76-177,220.82-55,001.24

Finding the Fourth Proportional to 118,213.76, 177,220.82 and 55,001.24

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Solution

The fourth proportional to 118,213.76, 177,220.82 and 55,001.24 is: 82,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,213.76 : 177,220.82 = 55,001.24 : x
  2. Step 2: Convert to fraction form
    118,213.76/177,220.82 = 55,001.24/x
  3. Step 3: Cross multiply
    118,213.76x = 177,220.82 × 55,001.24
  4. Step 4: Simplify right side
    118,213.76x = 9,747,364,853.82
  5. Step 5: Solve for x
    x = 9,747,364,853.82/118,213.76
  6. Step 6: Final answer
    x = 82,455.42

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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.