Home / 243,882.09-365,786.22-66,403.09

Finding the Fourth Proportional to 243,882.09, 365,786.22 and 66,403.09

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Solution

The fourth proportional to 243,882.09, 365,786.22 and 66,403.09 is: 99,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,882.09 : 365,786.22 = 66,403.09 : x
  2. Step 2: Convert to fraction form
    243,882.09/365,786.22 = 66,403.09/x
  3. Step 3: Cross multiply
    243,882.09x = 365,786.22 × 66,403.09
  4. Step 4: Simplify right side
    243,882.09x = 24,289,335,287.42
  5. Step 5: Solve for x
    x = 24,289,335,287.42/243,882.09
  6. Step 6: Final answer
    x = 99,594.58

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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.