Home / 297,273.22-445,908.60-107,689.20

Finding the Fourth Proportional to 297,273.22, 445,908.60 and 107,689.20

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Solution

The fourth proportional to 297,273.22, 445,908.60 and 107,689.20 is: 161,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,273.22 : 445,908.60 = 107,689.20 : x
  2. Step 2: Convert to fraction form
    297,273.22/445,908.60 = 107,689.20/x
  3. Step 3: Cross multiply
    297,273.22x = 445,908.60 × 107,689.20
  4. Step 4: Simplify right side
    297,273.22x = 48,019,540,407.12
  5. Step 5: Solve for x
    x = 48,019,540,407.12/297,273.22
  6. Step 6: Final answer
    x = 161,533.35

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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.