Home / 435,043.51-652,786.70-198,355.43

Finding the Fourth Proportional to 435,043.51, 652,786.70 and 198,355.43

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Solution

The fourth proportional to 435,043.51, 652,786.70 and 198,355.43 is: 297,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,043.51 : 652,786.70 = 198,355.43 : x
  2. Step 2: Convert to fraction form
    435,043.51/652,786.70 = 198,355.43/x
  3. Step 3: Cross multiply
    435,043.51x = 652,786.70 × 198,355.43
  4. Step 4: Simplify right side
    435,043.51x = 129,483,787,216.97
  5. Step 5: Solve for x
    x = 129,483,787,216.97/435,043.51
  6. Step 6: Final answer
    x = 297,634.11

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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.