Home / 219,975.71-329,947.16-75,867.44

Finding the Fourth Proportional to 219,975.71, 329,947.16 and 75,867.44

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Solution

The fourth proportional to 219,975.71, 329,947.16 and 75,867.44 is: 113,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,975.71 : 329,947.16 = 75,867.44 : x
  2. Step 2: Convert to fraction form
    219,975.71/329,947.16 = 75,867.44/x
  3. Step 3: Cross multiply
    219,975.71x = 329,947.16 × 75,867.44
  4. Step 4: Simplify right side
    219,975.71x = 25,032,246,810.00
  5. Step 5: Solve for x
    x = 25,032,246,810.00/219,975.71
  6. Step 6: Final answer
    x = 113,795.50

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1.5x scale

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.