Home / 219,082.49-326,783.03-198,901.27

Finding the Fourth Proportional to 219,082.49, 326,783.03 and 198,901.27

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Solution

The fourth proportional to 219,082.49, 326,783.03 and 198,901.27 is: 296,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,082.49 : 326,783.03 = 198,901.27 : x
  2. Step 2: Convert to fraction form
    219,082.49/326,783.03 = 198,901.27/x
  3. Step 3: Cross multiply
    219,082.49x = 326,783.03 × 198,901.27
  4. Step 4: Simplify right side
    219,082.49x = 64,997,557,869.98
  5. Step 5: Solve for x
    x = 64,997,557,869.98/219,082.49
  6. Step 6: Final answer
    x = 296,680.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.