Home / 331,255.68-496,730.64-106,574.40

Finding the Fourth Proportional to 331,255.68, 496,730.64 and 106,574.40

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Solution

The fourth proportional to 331,255.68, 496,730.64 and 106,574.40 is: 159,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,255.68 : 496,730.64 = 106,574.40 : x
  2. Step 2: Convert to fraction form
    331,255.68/496,730.64 = 106,574.40/x
  3. Step 3: Cross multiply
    331,255.68x = 496,730.64 × 106,574.40
  4. Step 4: Simplify right side
    331,255.68x = 52,938,769,919.62
  5. Step 5: Solve for x
    x = 52,938,769,919.62/331,255.68
  6. Step 6: Final answer
    x = 159,812.41

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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.