Home / 325,784.16-449,582.30-198,459.77

Finding the Fourth Proportional to 325,784.16, 449,582.30 and 198,459.77

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Solution

The fourth proportional to 325,784.16, 449,582.30 and 198,459.77 is: 273,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,784.16 : 449,582.30 = 198,459.77 : x
  2. Step 2: Convert to fraction form
    325,784.16/449,582.30 = 198,459.77/x
  3. Step 3: Cross multiply
    325,784.16x = 449,582.30 × 198,459.77
  4. Step 4: Simplify right side
    325,784.16x = 89,223,996,613.86
  5. Step 5: Solve for x
    x = 89,223,996,613.86/325,784.16
  6. Step 6: Final answer
    x = 273,874.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.