Home / 223,823.20-336,123.60-216,824.80

Finding the Fourth Proportional to 223,823.20, 336,123.60 and 216,824.80

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Solution

The fourth proportional to 223,823.20, 336,123.60 and 216,824.80 is: 325,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,823.20 : 336,123.60 = 216,824.80 : x
  2. Step 2: Convert to fraction form
    223,823.20/336,123.60 = 216,824.80/x
  3. Step 3: Cross multiply
    223,823.20x = 336,123.60 × 216,824.80
  4. Step 4: Simplify right side
    223,823.20x = 72,879,932,345.28
  5. Step 5: Solve for x
    x = 72,879,932,345.28/223,823.20
  6. Step 6: Final answer
    x = 325,613.84

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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.