Home / 149,245.22-222,775.89-131,531.06

Finding the Fourth Proportional to 149,245.22, 222,775.89 and 131,531.06

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Solution

The fourth proportional to 149,245.22, 222,775.89 and 131,531.06 is: 196,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.22 : 222,775.89 = 131,531.06 : x
  2. Step 2: Convert to fraction form
    149,245.22/222,775.89 = 131,531.06/x
  3. Step 3: Cross multiply
    149,245.22x = 222,775.89 × 131,531.06
  4. Step 4: Simplify right side
    149,245.22x = 29,301,948,296.49
  5. Step 5: Solve for x
    x = 29,301,948,296.49/149,245.22
  6. Step 6: Final answer
    x = 196,334.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.