Home / 165,493.12-248,281.08-53,183.20

Finding the Fourth Proportional to 165,493.12, 248,281.08 and 53,183.20

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Solution

The fourth proportional to 165,493.12, 248,281.08 and 53,183.20 is: 79,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,493.12 : 248,281.08 = 53,183.20 : x
  2. Step 2: Convert to fraction form
    165,493.12/248,281.08 = 53,183.20/x
  3. Step 3: Cross multiply
    165,493.12x = 248,281.08 × 53,183.20
  4. Step 4: Simplify right side
    165,493.12x = 13,204,382,333.86
  5. Step 5: Solve for x
    x = 13,204,382,333.86/165,493.12
  6. Step 6: Final answer
    x = 79,788.10

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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.