Home / 161,636.31-222,840.66-113,173.05

Finding the Fourth Proportional to 161,636.31, 222,840.66 and 113,173.05

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Solution

The fourth proportional to 161,636.31, 222,840.66 and 113,173.05 is: 156,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.31 : 222,840.66 = 113,173.05 : x
  2. Step 2: Convert to fraction form
    161,636.31/222,840.66 = 113,173.05/x
  3. Step 3: Cross multiply
    161,636.31x = 222,840.66 × 113,173.05
  4. Step 4: Simplify right side
    161,636.31x = 25,219,557,156.21
  5. Step 5: Solve for x
    x = 25,219,557,156.21/161,636.31
  6. Step 6: Final answer
    x = 156,026.56

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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.