Home / 165,579.96-248,292.18-76,778.04

Finding the Fourth Proportional to 165,579.96, 248,292.18 and 76,778.04

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Solution

The fourth proportional to 165,579.96, 248,292.18 and 76,778.04 is: 115,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,579.96 : 248,292.18 = 76,778.04 : x
  2. Step 2: Convert to fraction form
    165,579.96/248,292.18 = 76,778.04/x
  3. Step 3: Cross multiply
    165,579.96x = 248,292.18 × 76,778.04
  4. Step 4: Simplify right side
    165,579.96x = 19,063,386,927.73
  5. Step 5: Solve for x
    x = 19,063,386,927.73/165,579.96
  6. Step 6: Final answer
    x = 115,131.00

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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.