Home / 221,445.84-331,890.39-94,936.41

Finding the Fourth Proportional to 221,445.84, 331,890.39 and 94,936.41

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Solution

The fourth proportional to 221,445.84, 331,890.39 and 94,936.41 is: 142,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,445.84 : 331,890.39 = 94,936.41 : x
  2. Step 2: Convert to fraction form
    221,445.84/331,890.39 = 94,936.41/x
  3. Step 3: Cross multiply
    221,445.84x = 331,890.39 × 94,936.41
  4. Step 4: Simplify right side
    221,445.84x = 31,508,482,140.10
  5. Step 5: Solve for x
    x = 31,508,482,140.10/221,445.84
  6. Step 6: Final answer
    x = 142,285.27

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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.