Home / 295,623.20-443,434.80-108,768.80

Finding the Fourth Proportional to 295,623.20, 443,434.80 and 108,768.80

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Solution

The fourth proportional to 295,623.20, 443,434.80 and 108,768.80 is: 163,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,623.20 : 443,434.80 = 108,768.80 : x
  2. Step 2: Convert to fraction form
    295,623.20/443,434.80 = 108,768.80/x
  3. Step 3: Cross multiply
    295,623.20x = 443,434.80 × 108,768.80
  4. Step 4: Simplify right side
    295,623.20x = 48,231,871,074.24
  5. Step 5: Solve for x
    x = 48,231,871,074.24/295,623.20
  6. Step 6: Final answer
    x = 163,153.20

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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.