Home / 174,367.12-261,511.76-80,860.72

Finding the Fourth Proportional to 174,367.12, 261,511.76 and 80,860.72

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Solution

The fourth proportional to 174,367.12, 261,511.76 and 80,860.72 is: 121,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,367.12 : 261,511.76 = 80,860.72 : x
  2. Step 2: Convert to fraction form
    174,367.12/261,511.76 = 80,860.72/x
  3. Step 3: Cross multiply
    174,367.12x = 261,511.76 × 80,860.72
  4. Step 4: Simplify right side
    174,367.12x = 21,146,029,202.07
  5. Step 5: Solve for x
    x = 21,146,029,202.07/174,367.12
  6. Step 6: Final answer
    x = 121,273.03

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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.