Home / 165,500.70-248,056.65-76,566.35

Finding the Fourth Proportional to 165,500.70, 248,056.65 and 76,566.35

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Solution

The fourth proportional to 165,500.70, 248,056.65 and 76,566.35 is: 114,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,500.70 : 248,056.65 = 76,566.35 : x
  2. Step 2: Convert to fraction form
    165,500.70/248,056.65 = 76,566.35/x
  3. Step 3: Cross multiply
    165,500.70x = 248,056.65 × 76,566.35
  4. Step 4: Simplify right side
    165,500.70x = 18,992,791,043.44
  5. Step 5: Solve for x
    x = 18,992,791,043.44/165,500.70
  6. Step 6: Final answer
    x = 114,759.58

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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.