Home / 222,103.15-306,483.51-131,443.18

Finding the Fourth Proportional to 222,103.15, 306,483.51 and 131,443.18

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Solution

The fourth proportional to 222,103.15, 306,483.51 and 131,443.18 is: 181,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,103.15 : 306,483.51 = 131,443.18 : x
  2. Step 2: Convert to fraction form
    222,103.15/306,483.51 = 131,443.18/x
  3. Step 3: Cross multiply
    222,103.15x = 306,483.51 × 131,443.18
  4. Step 4: Simplify right side
    222,103.15x = 40,285,167,171.96
  5. Step 5: Solve for x
    x = 40,285,167,171.96/222,103.15
  6. Step 6: Final answer
    x = 181,380.44

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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.