Home / 161,310.44-222,607.64-89,686.20

Finding the Fourth Proportional to 161,310.44, 222,607.64 and 89,686.20

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Solution

The fourth proportional to 161,310.44, 222,607.64 and 89,686.20 is: 123,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,310.44 : 222,607.64 = 89,686.20 : x
  2. Step 2: Convert to fraction form
    161,310.44/222,607.64 = 89,686.20/x
  3. Step 3: Cross multiply
    161,310.44x = 222,607.64 × 89,686.20
  4. Step 4: Simplify right side
    161,310.44x = 19,964,833,322.57
  5. Step 5: Solve for x
    x = 19,964,833,322.57/161,310.44
  6. Step 6: Final answer
    x = 123,766.53

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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.