Home / 516,087.78-774,131.69-161,132.22

Finding the Fourth Proportional to 516,087.78, 774,131.69 and 161,132.22

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Solution

The fourth proportional to 516,087.78, 774,131.69 and 161,132.22 is: 241,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,087.78 : 774,131.69 = 161,132.22 : x
  2. Step 2: Convert to fraction form
    516,087.78/774,131.69 = 161,132.22/x
  3. Step 3: Cross multiply
    516,087.78x = 774,131.69 × 161,132.22
  4. Step 4: Simplify right side
    516,087.78x = 124,737,556,976.39
  5. Step 5: Solve for x
    x = 124,737,556,976.39/516,087.78
  6. Step 6: Final answer
    x = 241,698.33

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Double scale
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Similar ratio
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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.