Home / 149,243.22-222,772.91-131,529.06

Finding the Fourth Proportional to 149,243.22, 222,772.91 and 131,529.06

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Solution

The fourth proportional to 149,243.22, 222,772.91 and 131,529.06 is: 196,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,243.22 : 222,772.91 = 131,529.06 : x
  2. Step 2: Convert to fraction form
    149,243.22/222,772.91 = 131,529.06/x
  3. Step 3: Cross multiply
    149,243.22x = 222,772.91 × 131,529.06
  4. Step 4: Simplify right side
    149,243.22x = 29,301,110,788.12
  5. Step 5: Solve for x
    x = 29,301,110,788.12/149,243.22
  6. Step 6: Final answer
    x = 196,331.27

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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.