Home / 222,356.46-306,881.55-131,705.10

Finding the Fourth Proportional to 222,356.46, 306,881.55 and 131,705.10

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Solution

The fourth proportional to 222,356.46, 306,881.55 and 131,705.10 is: 181,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,356.46 : 306,881.55 = 131,705.10 : x
  2. Step 2: Convert to fraction form
    222,356.46/306,881.55 = 131,705.10/x
  3. Step 3: Cross multiply
    222,356.46x = 306,881.55 × 131,705.10
  4. Step 4: Simplify right side
    222,356.46x = 40,417,865,230.91
  5. Step 5: Solve for x
    x = 40,417,865,230.91/222,356.46
  6. Step 6: Final answer
    x = 181,770.59

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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.