Home / 117,824.30-176,669.52-80,429.66

Finding the Fourth Proportional to 117,824.30, 176,669.52 and 80,429.66

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Solution

The fourth proportional to 117,824.30, 176,669.52 and 80,429.66 is: 120,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,824.30 : 176,669.52 = 80,429.66 : x
  2. Step 2: Convert to fraction form
    117,824.30/176,669.52 = 80,429.66/x
  3. Step 3: Cross multiply
    117,824.30x = 176,669.52 × 80,429.66
  4. Step 4: Simplify right side
    117,824.30x = 14,209,469,425.96
  5. Step 5: Solve for x
    x = 14,209,469,425.96/117,824.30
  6. Step 6: Final answer
    x = 120,598.80

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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.