Home / 289,267.11-433,738.17-198,185.31

Finding the Fourth Proportional to 289,267.11, 433,738.17 and 198,185.31

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Solution

The fourth proportional to 289,267.11, 433,738.17 and 198,185.31 is: 297,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,267.11 : 433,738.17 = 198,185.31 : x
  2. Step 2: Convert to fraction form
    289,267.11/433,738.17 = 198,185.31/x
  3. Step 3: Cross multiply
    289,267.11x = 433,738.17 × 198,185.31
  4. Step 4: Simplify right side
    289,267.11x = 85,960,533,680.28
  5. Step 5: Solve for x
    x = 85,960,533,680.28/289,267.11
  6. Step 6: Final answer
    x = 297,166.63

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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.