Home / 161,297.20-222,577.52-89,672.86

Finding the Fourth Proportional to 161,297.20, 222,577.52 and 89,672.86

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Solution

The fourth proportional to 161,297.20, 222,577.52 and 89,672.86 is: 123,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,297.20 : 222,577.52 = 89,672.86 : x
  2. Step 2: Convert to fraction form
    161,297.20/222,577.52 = 89,672.86/x
  3. Step 3: Cross multiply
    161,297.20x = 222,577.52 × 89,672.86
  4. Step 4: Simplify right side
    161,297.20x = 19,959,162,790.11
  5. Step 5: Solve for x
    x = 19,959,162,790.11/161,297.20
  6. Step 6: Final answer
    x = 123,741.53

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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.