Home / 165,589.95-248,190.53-76,655.60

Finding the Fourth Proportional to 165,589.95, 248,190.53 and 76,655.60

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Solution

The fourth proportional to 165,589.95, 248,190.53 and 76,655.60 is: 114,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,589.95 : 248,190.53 = 76,655.60 : x
  2. Step 2: Convert to fraction form
    165,589.95/248,190.53 = 76,655.60/x
  3. Step 3: Cross multiply
    165,589.95x = 248,190.53 × 76,655.60
  4. Step 4: Simplify right side
    165,589.95x = 19,025,192,367.24
  5. Step 5: Solve for x
    x = 19,025,192,367.24/165,589.95
  6. Step 6: Final answer
    x = 114,893.40

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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.