Home / 165,655.88-248,134.70-75,774.28

Finding the Fourth Proportional to 165,655.88, 248,134.70 and 75,774.28

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Solution

The fourth proportional to 165,655.88, 248,134.70 and 75,774.28 is: 113,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,655.88 : 248,134.70 = 75,774.28 : x
  2. Step 2: Convert to fraction form
    165,655.88/248,134.70 = 75,774.28/x
  3. Step 3: Cross multiply
    165,655.88x = 248,134.70 × 75,774.28
  4. Step 4: Simplify right side
    165,655.88x = 18,802,228,235.52
  5. Step 5: Solve for x
    x = 18,802,228,235.52/165,655.88
  6. Step 6: Final answer
    x = 113,501.73

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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.