Home / 219,947.92-329,811.16-107,459.58

Finding the Fourth Proportional to 219,947.92, 329,811.16 and 107,459.58

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Solution

The fourth proportional to 219,947.92, 329,811.16 and 107,459.58 is: 161,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,947.92 : 329,811.16 = 107,459.58 : x
  2. Step 2: Convert to fraction form
    219,947.92/329,811.16 = 107,459.58/x
  3. Step 3: Cross multiply
    219,947.92x = 329,811.16 × 107,459.58
  4. Step 4: Simplify right side
    219,947.92x = 35,441,368,732.91
  5. Step 5: Solve for x
    x = 35,441,368,732.91/219,947.92
  6. Step 6: Final answer
    x = 161,135.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.