Home / 443,824.20-665,721.72-177,513.21

Finding the Fourth Proportional to 443,824.20, 665,721.72 and 177,513.21

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Solution

The fourth proportional to 443,824.20, 665,721.72 and 177,513.21 is: 266,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,824.20 : 665,721.72 = 177,513.21 : x
  2. Step 2: Convert to fraction form
    443,824.20/665,721.72 = 177,513.21/x
  3. Step 3: Cross multiply
    443,824.20x = 665,721.72 × 177,513.21
  4. Step 4: Simplify right side
    443,824.20x = 118,174,399,483.92
  5. Step 5: Solve for x
    x = 118,174,399,483.92/443,824.20
  6. Step 6: Final answer
    x = 266,263.98

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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.