Home / 331,116.32-496,748.52-120,754.26

Finding the Fourth Proportional to 331,116.32, 496,748.52 and 120,754.26

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Solution

The fourth proportional to 331,116.32, 496,748.52 and 120,754.26 is: 181,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,116.32 : 496,748.52 = 120,754.26 : x
  2. Step 2: Convert to fraction form
    331,116.32/496,748.52 = 120,754.26/x
  3. Step 3: Cross multiply
    331,116.32x = 496,748.52 × 120,754.26
  4. Step 4: Simplify right side
    331,116.32x = 59,984,497,623.06
  5. Step 5: Solve for x
    x = 59,984,497,623.06/331,116.32
  6. Step 6: Final answer
    x = 181,158.39

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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.