Home / 297,271.22-445,905.60-107,687.20

Finding the Fourth Proportional to 297,271.22, 445,905.60 and 107,687.20

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Solution

The fourth proportional to 297,271.22, 445,905.60 and 107,687.20 is: 161,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,271.22 : 445,905.60 = 107,687.20 : x
  2. Step 2: Convert to fraction form
    297,271.22/445,905.60 = 107,687.20/x
  3. Step 3: Cross multiply
    297,271.22x = 445,905.60 × 107,687.20
  4. Step 4: Simplify right side
    297,271.22x = 48,018,325,528.32
  5. Step 5: Solve for x
    x = 48,018,325,528.32/297,271.22
  6. Step 6: Final answer
    x = 161,530.35

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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.