Home / 276,821.22-414,969.39-89,701.50

Finding the Fourth Proportional to 276,821.22, 414,969.39 and 89,701.50

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Solution

The fourth proportional to 276,821.22, 414,969.39 and 89,701.50 is: 134,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,821.22 : 414,969.39 = 89,701.50 : x
  2. Step 2: Convert to fraction form
    276,821.22/414,969.39 = 89,701.50/x
  3. Step 3: Cross multiply
    276,821.22x = 414,969.39 × 89,701.50
  4. Step 4: Simplify right side
    276,821.22x = 37,223,376,737.09
  5. Step 5: Solve for x
    x = 37,223,376,737.09/276,821.22
  6. Step 6: Final answer
    x = 134,467.21

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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.