Home / 161,127.78-222,263.82-100,593.33

Finding the Fourth Proportional to 161,127.78, 222,263.82 and 100,593.33

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Solution

The fourth proportional to 161,127.78, 222,263.82 and 100,593.33 is: 138,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,127.78 : 222,263.82 = 100,593.33 : x
  2. Step 2: Convert to fraction form
    161,127.78/222,263.82 = 100,593.33/x
  3. Step 3: Cross multiply
    161,127.78x = 222,263.82 × 100,593.33
  4. Step 4: Simplify right side
    161,127.78x = 22,358,256,817.37
  5. Step 5: Solve for x
    x = 22,358,256,817.37/161,127.78
  6. Step 6: Final answer
    x = 138,761.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.