Home / 117,624.20-176,436.30-80,299.40

Finding the Fourth Proportional to 117,624.20, 176,436.30 and 80,299.40

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Solution

The fourth proportional to 117,624.20, 176,436.30 and 80,299.40 is: 120,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,624.20 : 176,436.30 = 80,299.40 : x
  2. Step 2: Convert to fraction form
    117,624.20/176,436.30 = 80,299.40/x
  3. Step 3: Cross multiply
    117,624.20x = 176,436.30 × 80,299.40
  4. Step 4: Simplify right side
    117,624.20x = 14,167,729,028.22
  5. Step 5: Solve for x
    x = 14,167,729,028.22/117,624.20
  6. Step 6: Final answer
    x = 120,449.10

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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.