Home / 199,947.70-299,435.55-106,246.90

Finding the Fourth Proportional to 199,947.70, 299,435.55 and 106,246.90

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Solution

The fourth proportional to 199,947.70, 299,435.55 and 106,246.90 is: 159,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.70 : 299,435.55 = 106,246.90 : x
  2. Step 2: Convert to fraction form
    199,947.70/299,435.55 = 106,246.90/x
  3. Step 3: Cross multiply
    199,947.70x = 299,435.55 × 106,246.90
  4. Step 4: Simplify right side
    199,947.70x = 31,814,098,937.30
  5. Step 5: Solve for x
    x = 31,814,098,937.30/199,947.70
  6. Step 6: Final answer
    x = 159,112.10

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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.