Home / 171,053.03-256,621.39-120,550.59

Finding the Fourth Proportional to 171,053.03, 256,621.39 and 120,550.59

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Solution

The fourth proportional to 171,053.03, 256,621.39 and 120,550.59 is: 180,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,053.03 : 256,621.39 = 120,550.59 : x
  2. Step 2: Convert to fraction form
    171,053.03/256,621.39 = 120,550.59/x
  3. Step 3: Cross multiply
    171,053.03x = 256,621.39 × 120,550.59
  4. Step 4: Simplify right side
    171,053.03x = 30,935,859,669.74
  5. Step 5: Solve for x
    x = 30,935,859,669.74/171,053.03
  6. Step 6: Final answer
    x = 180,855.37

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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.