Home / 220,828.20-331,242.30-186,613.80

Finding the Fourth Proportional to 220,828.20, 331,242.30 and 186,613.80

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Solution

The fourth proportional to 220,828.20, 331,242.30 and 186,613.80 is: 279,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828.20 : 331,242.30 = 186,613.80 : x
  2. Step 2: Convert to fraction form
    220,828.20/331,242.30 = 186,613.80/x
  3. Step 3: Cross multiply
    220,828.20x = 331,242.30 × 186,613.80
  4. Step 4: Simplify right side
    220,828.20x = 61,814,384,323.74
  5. Step 5: Solve for x
    x = 61,814,384,323.74/220,828.20
  6. Step 6: Final answer
    x = 279,920.70

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1.5x scale

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.