Home / 117,788.63-176,651.74-51,213.62

Finding the Fourth Proportional to 117,788.63, 176,651.74 and 51,213.62

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Solution

The fourth proportional to 117,788.63, 176,651.74 and 51,213.62 is: 76,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.63 : 176,651.74 = 51,213.62 : x
  2. Step 2: Convert to fraction form
    117,788.63/176,651.74 = 51,213.62/x
  3. Step 3: Cross multiply
    117,788.63x = 176,651.74 × 51,213.62
  4. Step 4: Simplify right side
    117,788.63x = 9,046,974,308.60
  5. Step 5: Solve for x
    x = 9,046,974,308.60/117,788.63
  6. Step 6: Final answer
    x = 76,806.86

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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.