Home / 161,206.28-222,449.46-149,317.64

Finding the Fourth Proportional to 161,206.28, 222,449.46 and 149,317.64

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Solution

The fourth proportional to 161,206.28, 222,449.46 and 149,317.64 is: 206,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,206.28 : 222,449.46 = 149,317.64 : x
  2. Step 2: Convert to fraction form
    161,206.28/222,449.46 = 149,317.64/x
  3. Step 3: Cross multiply
    161,206.28x = 222,449.46 × 149,317.64
  4. Step 4: Simplify right side
    161,206.28x = 33,215,628,386.47
  5. Step 5: Solve for x
    x = 33,215,628,386.47/161,206.28
  6. Step 6: Final answer
    x = 206,044.26

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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.