Home / 361,949.96-499,490.75-198,607.53

Finding the Fourth Proportional to 361,949.96, 499,490.75 and 198,607.53

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Solution

The fourth proportional to 361,949.96, 499,490.75 and 198,607.53 is: 274,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,949.96 : 499,490.75 = 198,607.53 : x
  2. Step 2: Convert to fraction form
    361,949.96/499,490.75 = 198,607.53/x
  3. Step 3: Cross multiply
    361,949.96x = 499,490.75 × 198,607.53
  4. Step 4: Simplify right side
    361,949.96x = 99,202,624,995.40
  5. Step 5: Solve for x
    x = 99,202,624,995.40/361,949.96
  6. Step 6: Final answer
    x = 274,078.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.