Home / 118,161.96-177,143.31-51,553.23

Finding the Fourth Proportional to 118,161.96, 177,143.31 and 51,553.23

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Solution

The fourth proportional to 118,161.96, 177,143.31 and 51,553.23 is: 77,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,161.96 : 177,143.31 = 51,553.23 : x
  2. Step 2: Convert to fraction form
    118,161.96/177,143.31 = 51,553.23/x
  3. Step 3: Cross multiply
    118,161.96x = 177,143.31 × 51,553.23
  4. Step 4: Simplify right side
    118,161.96x = 9,132,309,803.39
  5. Step 5: Solve for x
    x = 9,132,309,803.39/118,161.96
  6. Step 6: Final answer
    x = 77,286.38

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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.