Home / 219,743.40-329,615.10-194,082.60

Finding the Fourth Proportional to 219,743.40, 329,615.10 and 194,082.60

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Solution

The fourth proportional to 219,743.40, 329,615.10 and 194,082.60 is: 291,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,743.40 : 329,615.10 = 194,082.60 : x
  2. Step 2: Convert to fraction form
    219,743.40/329,615.10 = 194,082.60/x
  3. Step 3: Cross multiply
    219,743.40x = 329,615.10 × 194,082.60
  4. Step 4: Simplify right side
    219,743.40x = 63,972,555,607.26
  5. Step 5: Solve for x
    x = 63,972,555,607.26/219,743.40
  6. Step 6: Final answer
    x = 291,123.90

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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.