Home / 222,225.36-306,623.52-131,609.76

Finding the Fourth Proportional to 222,225.36, 306,623.52 and 131,609.76

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Solution

The fourth proportional to 222,225.36, 306,623.52 and 131,609.76 is: 181,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,225.36 : 306,623.52 = 131,609.76 : x
  2. Step 2: Convert to fraction form
    222,225.36/306,623.52 = 131,609.76/x
  3. Step 3: Cross multiply
    222,225.36x = 306,623.52 × 131,609.76
  4. Step 4: Simplify right side
    222,225.36x = 40,354,647,877.56
  5. Step 5: Solve for x
    x = 40,354,647,877.56/222,225.36
  6. Step 6: Final answer
    x = 181,593.35

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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.