Home / 263,621.18-363,782.54-148,923.36

Finding the Fourth Proportional to 263,621.18, 363,782.54 and 148,923.36

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Solution

The fourth proportional to 263,621.18, 363,782.54 and 148,923.36 is: 205,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,621.18 : 363,782.54 = 148,923.36 : x
  2. Step 2: Convert to fraction form
    263,621.18/363,782.54 = 148,923.36/x
  3. Step 3: Cross multiply
    263,621.18x = 363,782.54 × 148,923.36
  4. Step 4: Simplify right side
    263,621.18x = 54,175,718,538.44
  5. Step 5: Solve for x
    x = 54,175,718,538.44/263,621.18
  6. Step 6: Final answer
    x = 205,505.94

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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.