Home / 445,949.46-669,026.32-193,272.34

Finding the Fourth Proportional to 445,949.46, 669,026.32 and 193,272.34

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Solution

The fourth proportional to 445,949.46, 669,026.32 and 193,272.34 is: 289,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,949.46 : 669,026.32 = 193,272.34 : x
  2. Step 2: Convert to fraction form
    445,949.46/669,026.32 = 193,272.34/x
  3. Step 3: Cross multiply
    445,949.46x = 669,026.32 × 193,272.34
  4. Step 4: Simplify right side
    445,949.46x = 129,304,282,387.99
  5. Step 5: Solve for x
    x = 129,304,282,387.99/445,949.46
  6. Step 6: Final answer
    x = 289,952.77

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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.