Home / 219,789.72-303,289.36-124,296.12

Finding the Fourth Proportional to 219,789.72, 303,289.36 and 124,296.12

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Solution

The fourth proportional to 219,789.72, 303,289.36 and 124,296.12 is: 171,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,789.72 : 303,289.36 = 124,296.12 : x
  2. Step 2: Convert to fraction form
    219,789.72/303,289.36 = 124,296.12/x
  3. Step 3: Cross multiply
    219,789.72x = 303,289.36 × 124,296.12
  4. Step 4: Simplify right side
    219,789.72x = 37,697,690,685.28
  5. Step 5: Solve for x
    x = 37,697,690,685.28/219,789.72
  6. Step 6: Final answer
    x = 171,517.08

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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.