Home / 434,911.56-652,105.10-194,982

Finding the Fourth Proportional to 434,911.56, 652,105.10 and 194,982

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Solution

The fourth proportional to 434,911.56, 652,105.10 and 194,982 is: 292,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,911.56 : 652,105.10 = 194,982 : x
  2. Step 2: Convert to fraction form
    434,911.56/652,105.10 = 194,982/x
  3. Step 3: Cross multiply
    434,911.56x = 652,105.10 × 194,982
  4. Step 4: Simplify right side
    434,911.56x = 127,148,755,633.29
  5. Step 5: Solve for x
    x = 127,148,755,633.29/434,911.56
  6. Step 6: Final answer
    x = 292,355.43

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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.