Home / 165,825.56-248,543.58-76,891.88

Finding the Fourth Proportional to 165,825.56, 248,543.58 and 76,891.88

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Solution

The fourth proportional to 165,825.56, 248,543.58 and 76,891.88 is: 115,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,825.56 : 248,543.58 = 76,891.88 : x
  2. Step 2: Convert to fraction form
    165,825.56/248,543.58 = 76,891.88/x
  3. Step 3: Cross multiply
    165,825.56x = 248,543.58 × 76,891.88
  4. Step 4: Simplify right side
    165,825.56x = 19,110,983,128.13
  5. Step 5: Solve for x
    x = 19,110,983,128.13/165,825.56
  6. Step 6: Final answer
    x = 115,247.51

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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.