Home / 161,305.22-222,612.91-96,777.26

Finding the Fourth Proportional to 161,305.22, 222,612.91 and 96,777.26

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Solution

The fourth proportional to 161,305.22, 222,612.91 and 96,777.26 is: 133,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,305.22 : 222,612.91 = 96,777.26 : x
  2. Step 2: Convert to fraction form
    161,305.22/222,612.91 = 96,777.26/x
  3. Step 3: Cross multiply
    161,305.22x = 222,612.91 × 96,777.26
  4. Step 4: Simplify right side
    161,305.22x = 21,543,866,324.12
  5. Step 5: Solve for x
    x = 21,543,866,324.12/161,305.22
  6. Step 6: Final answer
    x = 133,559.63

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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.