Home / 137,406.06-206,099.24-42,633.81

Finding the Fourth Proportional to 137,406.06, 206,099.24 and 42,633.81

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Solution

The fourth proportional to 137,406.06, 206,099.24 and 42,633.81 is: 63,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,406.06 : 206,099.24 = 42,633.81 : x
  2. Step 2: Convert to fraction form
    137,406.06/206,099.24 = 42,633.81/x
  3. Step 3: Cross multiply
    137,406.06x = 206,099.24 × 42,633.81
  4. Step 4: Simplify right side
    137,406.06x = 8,786,795,626.14
  5. Step 5: Solve for x
    x = 8,786,795,626.14/137,406.06
  6. Step 6: Final answer
    x = 63,947.66

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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.