Home / 165,530.82-248,272.34-53,196.38

Finding the Fourth Proportional to 165,530.82, 248,272.34 and 53,196.38

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Solution

The fourth proportional to 165,530.82, 248,272.34 and 53,196.38 is: 79,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.82 : 248,272.34 = 53,196.38 : x
  2. Step 2: Convert to fraction form
    165,530.82/248,272.34 = 53,196.38/x
  3. Step 3: Cross multiply
    165,530.82x = 248,272.34 × 53,196.38
  4. Step 4: Simplify right side
    165,530.82x = 13,207,189,742.13
  5. Step 5: Solve for x
    x = 13,207,189,742.13/165,530.82
  6. Step 6: Final answer
    x = 79,786.89

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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.