Home / 331,157.34-496,810.08-120,795.30

Finding the Fourth Proportional to 331,157.34, 496,810.08 and 120,795.30

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Solution

The fourth proportional to 331,157.34, 496,810.08 and 120,795.30 is: 181,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,157.34 : 496,810.08 = 120,795.30 : x
  2. Step 2: Convert to fraction form
    331,157.34/496,810.08 = 120,795.30/x
  3. Step 3: Cross multiply
    331,157.34x = 496,810.08 × 120,795.30
  4. Step 4: Simplify right side
    331,157.34x = 60,012,322,656.62
  5. Step 5: Solve for x
    x = 60,012,322,656.62/331,157.34
  6. Step 6: Final answer
    x = 181,219.97

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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.