Home / 443,826.20-665,724.72-177,515.21

Finding the Fourth Proportional to 443,826.20, 665,724.72 and 177,515.21

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Solution

The fourth proportional to 443,826.20, 665,724.72 and 177,515.21 is: 266,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,826.20 : 665,724.72 = 177,515.21 : x
  2. Step 2: Convert to fraction form
    443,826.20/665,724.72 = 177,515.21/x
  3. Step 3: Cross multiply
    443,826.20x = 665,724.72 × 177,515.21
  4. Step 4: Simplify right side
    443,826.20x = 118,176,263,472.99
  5. Step 5: Solve for x
    x = 118,176,263,472.99/443,826.20
  6. Step 6: Final answer
    x = 266,266.98

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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.