Home / 182,109.12-273,248.16-76,952.64

Finding the Fourth Proportional to 182,109.12, 273,248.16 and 76,952.64

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Solution

The fourth proportional to 182,109.12, 273,248.16 and 76,952.64 is: 115,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,109.12 : 273,248.16 = 76,952.64 : x
  2. Step 2: Convert to fraction form
    182,109.12/273,248.16 = 76,952.64/x
  3. Step 3: Cross multiply
    182,109.12x = 273,248.16 × 76,952.64
  4. Step 4: Simplify right side
    182,109.12x = 21,027,167,287.14
  5. Step 5: Solve for x
    x = 21,027,167,287.14/182,109.12
  6. Step 6: Final answer
    x = 115,464.66

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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.