Home / 301,159.82-451,748.84-76,520.29

Finding the Fourth Proportional to 301,159.82, 451,748.84 and 76,520.29

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Solution

The fourth proportional to 301,159.82, 451,748.84 and 76,520.29 is: 114,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,159.82 : 451,748.84 = 76,520.29 : x
  2. Step 2: Convert to fraction form
    301,159.82/451,748.84 = 76,520.29/x
  3. Step 3: Cross multiply
    301,159.82x = 451,748.84 × 76,520.29
  4. Step 4: Simplify right side
    301,159.82x = 34,567,952,243.96
  5. Step 5: Solve for x
    x = 34,567,952,243.96/301,159.82
  6. Step 6: Final answer
    x = 114,782.75

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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.