Home / 174,400.84-261,756.78-80,959.24

Finding the Fourth Proportional to 174,400.84, 261,756.78 and 80,959.24

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Solution

The fourth proportional to 174,400.84, 261,756.78 and 80,959.24 is: 121,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,400.84 : 261,756.78 = 80,959.24 : x
  2. Step 2: Convert to fraction form
    174,400.84/261,756.78 = 80,959.24/x
  3. Step 3: Cross multiply
    174,400.84x = 261,756.78 × 80,959.24
  4. Step 4: Simplify right side
    174,400.84x = 21,191,629,973.65
  5. Step 5: Solve for x
    x = 21,191,629,973.65/174,400.84
  6. Step 6: Final answer
    x = 121,511.05

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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.