Home / 331,017.15-496,136.93-153,148.44

Finding the Fourth Proportional to 331,017.15, 496,136.93 and 153,148.44

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Solution

The fourth proportional to 331,017.15, 496,136.93 and 153,148.44 is: 229,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,017.15 : 496,136.93 = 153,148.44 : x
  2. Step 2: Convert to fraction form
    331,017.15/496,136.93 = 153,148.44/x
  3. Step 3: Cross multiply
    331,017.15x = 496,136.93 × 153,148.44
  4. Step 4: Simplify right side
    331,017.15x = 75,982,596,090.15
  5. Step 5: Solve for x
    x = 75,982,596,090.15/331,017.15
  6. Step 6: Final answer
    x = 229,542.78

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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.