Home / 222,464.13-307,000.49-126,968.77

Finding the Fourth Proportional to 222,464.13, 307,000.49 and 126,968.77

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Solution

The fourth proportional to 222,464.13, 307,000.49 and 126,968.77 is: 175,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,464.13 : 307,000.49 = 126,968.77 : x
  2. Step 2: Convert to fraction form
    222,464.13/307,000.49 = 126,968.77/x
  3. Step 3: Cross multiply
    222,464.13x = 307,000.49 × 126,968.77
  4. Step 4: Simplify right side
    222,464.13x = 38,979,474,604.70
  5. Step 5: Solve for x
    x = 38,979,474,604.70/222,464.13
  6. Step 6: Final answer
    x = 175,216.90

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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.