Home / 174,780.40-261,652.20-115,682.80

Finding the Fourth Proportional to 174,780.40, 261,652.20 and 115,682.80

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Solution

The fourth proportional to 174,780.40, 261,652.20 and 115,682.80 is: 173,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,780.40 : 261,652.20 = 115,682.80 : x
  2. Step 2: Convert to fraction form
    174,780.40/261,652.20 = 115,682.80/x
  3. Step 3: Cross multiply
    174,780.40x = 261,652.20 × 115,682.80
  4. Step 4: Simplify right side
    174,780.40x = 30,268,659,122.16
  5. Step 5: Solve for x
    x = 30,268,659,122.16/174,780.40
  6. Step 6: Final answer
    x = 173,181.08

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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.