Home / 161,083.37-222,297.80-88,489.32

Finding the Fourth Proportional to 161,083.37, 222,297.80 and 88,489.32

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Solution

The fourth proportional to 161,083.37, 222,297.80 and 88,489.32 is: 122,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,083.37 : 222,297.80 = 88,489.32 : x
  2. Step 2: Convert to fraction form
    161,083.37/222,297.80 = 88,489.32/x
  3. Step 3: Cross multiply
    161,083.37x = 222,297.80 × 88,489.32
  4. Step 4: Simplify right side
    161,083.37x = 19,670,981,159.50
  5. Step 5: Solve for x
    x = 19,670,981,159.50/161,083.37
  6. Step 6: Final answer
    x = 122,116.77

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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.