Home / 443,381.19-665,336.75-162,926.79

Finding the Fourth Proportional to 443,381.19, 665,336.75 and 162,926.79

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Solution

The fourth proportional to 443,381.19, 665,336.75 and 162,926.79 is: 244,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,381.19 : 665,336.75 = 162,926.79 : x
  2. Step 2: Convert to fraction form
    443,381.19/665,336.75 = 162,926.79/x
  3. Step 3: Cross multiply
    443,381.19x = 665,336.75 × 162,926.79
  4. Step 4: Simplify right side
    443,381.19x = 108,401,180,131.90
  5. Step 5: Solve for x
    x = 108,401,180,131.90/443,381.19
  6. Step 6: Final answer
    x = 244,487.55

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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.