Home / 499,915.25-749,985.42-158,379.27

Finding the Fourth Proportional to 499,915.25, 749,985.42 and 158,379.27

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Solution

The fourth proportional to 499,915.25, 749,985.42 and 158,379.27 is: 237,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,915.25 : 749,985.42 = 158,379.27 : x
  2. Step 2: Convert to fraction form
    499,915.25/749,985.42 = 158,379.27/x
  3. Step 3: Cross multiply
    499,915.25x = 749,985.42 × 158,379.27
  4. Step 4: Simplify right side
    499,915.25x = 118,782,139,923.88
  5. Step 5: Solve for x
    x = 118,782,139,923.88/499,915.25
  6. Step 6: Final answer
    x = 237,604.56

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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.