Home / 331,203.20-496,869.60-141,663.20

Finding the Fourth Proportional to 331,203.20, 496,869.60 and 141,663.20

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Solution

The fourth proportional to 331,203.20, 496,869.60 and 141,663.20 is: 212,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,203.20 : 496,869.60 = 141,663.20 : x
  2. Step 2: Convert to fraction form
    331,203.20/496,869.60 = 141,663.20/x
  3. Step 3: Cross multiply
    331,203.20x = 496,869.60 × 141,663.20
  4. Step 4: Simplify right side
    331,203.20x = 70,388,137,518.72
  5. Step 5: Solve for x
    x = 70,388,137,518.72/331,203.20
  6. Step 6: Final answer
    x = 212,522.52

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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.