Home / 174,961.20-262,441.80-121,306.80

Finding the Fourth Proportional to 174,961.20, 262,441.80 and 121,306.80

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Solution

The fourth proportional to 174,961.20, 262,441.80 and 121,306.80 is: 181,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,961.20 : 262,441.80 = 121,306.80 : x
  2. Step 2: Convert to fraction form
    174,961.20/262,441.80 = 121,306.80/x
  3. Step 3: Cross multiply
    174,961.20x = 262,441.80 × 121,306.80
  4. Step 4: Simplify right side
    174,961.20x = 31,835,974,944.24
  5. Step 5: Solve for x
    x = 31,835,974,944.24/174,961.20
  6. Step 6: Final answer
    x = 181,960.20

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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.