Home / 297,126.83-445,578.50-107,540.35

Finding the Fourth Proportional to 297,126.83, 445,578.50 and 107,540.35

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Solution

The fourth proportional to 297,126.83, 445,578.50 and 107,540.35 is: 161,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,126.83 : 445,578.50 = 107,540.35 : x
  2. Step 2: Convert to fraction form
    297,126.83/445,578.50 = 107,540.35/x
  3. Step 3: Cross multiply
    297,126.83x = 445,578.50 × 107,540.35
  4. Step 4: Simplify right side
    297,126.83x = 47,917,666,997.38
  5. Step 5: Solve for x
    x = 47,917,666,997.38/297,126.83
  6. Step 6: Final answer
    x = 161,270.08

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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.