Home / 154,404.30-231,606.45-107,165.10

Finding the Fourth Proportional to 154,404.30, 231,606.45 and 107,165.10

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Solution

The fourth proportional to 154,404.30, 231,606.45 and 107,165.10 is: 160,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,404.30 : 231,606.45 = 107,165.10 : x
  2. Step 2: Convert to fraction form
    154,404.30/231,606.45 = 107,165.10/x
  3. Step 3: Cross multiply
    154,404.30x = 231,606.45 × 107,165.10
  4. Step 4: Simplify right side
    154,404.30x = 24,820,128,374.90
  5. Step 5: Solve for x
    x = 24,820,128,374.90/154,404.30
  6. Step 6: Final answer
    x = 160,747.65

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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.