Home / 219,376.84-329,236.85-112,756.49

Finding the Fourth Proportional to 219,376.84, 329,236.85 and 112,756.49

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Solution

The fourth proportional to 219,376.84, 329,236.85 and 112,756.49 is: 169,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,376.84 : 329,236.85 = 112,756.49 : x
  2. Step 2: Convert to fraction form
    219,376.84/329,236.85 = 112,756.49/x
  3. Step 3: Cross multiply
    219,376.84x = 329,236.85 × 112,756.49
  4. Step 4: Simplify right side
    219,376.84x = 37,123,592,843.97
  5. Step 5: Solve for x
    x = 37,123,592,843.97/219,376.84
  6. Step 6: Final answer
    x = 169,222.93

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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.