Home / 165,500.61-248,056.51-76,566.25

Finding the Fourth Proportional to 165,500.61, 248,056.51 and 76,566.25

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Solution

The fourth proportional to 165,500.61, 248,056.51 and 76,566.25 is: 114,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,500.61 : 248,056.51 = 76,566.25 : x
  2. Step 2: Convert to fraction form
    165,500.61/248,056.51 = 76,566.25/x
  3. Step 3: Cross multiply
    165,500.61x = 248,056.51 × 76,566.25
  4. Step 4: Simplify right side
    165,500.61x = 18,992,757,021.00
  5. Step 5: Solve for x
    x = 18,992,757,021.00/165,500.61
  6. Step 6: Final answer
    x = 114,759.44

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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.