Home / 161,511.23-222,972.87-113,261.22

Finding the Fourth Proportional to 161,511.23, 222,972.87 and 113,261.22

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Solution

The fourth proportional to 161,511.23, 222,972.87 and 113,261.22 is: 156,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,511.23 : 222,972.87 = 113,261.22 : x
  2. Step 2: Convert to fraction form
    161,511.23/222,972.87 = 113,261.22/x
  3. Step 3: Cross multiply
    161,511.23x = 222,972.87 × 113,261.22
  4. Step 4: Simplify right side
    161,511.23x = 25,254,179,283.10
  5. Step 5: Solve for x
    x = 25,254,179,283.10/161,511.23
  6. Step 6: Final answer
    x = 156,361.76

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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.