Home / 117,519.27-162,179.33-69,772.74

Finding the Fourth Proportional to 117,519.27, 162,179.33 and 69,772.74

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Solution

The fourth proportional to 117,519.27, 162,179.33 and 69,772.74 is: 96,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519.27 : 162,179.33 = 69,772.74 : x
  2. Step 2: Convert to fraction form
    117,519.27/162,179.33 = 69,772.74/x
  3. Step 3: Cross multiply
    117,519.27x = 162,179.33 × 69,772.74
  4. Step 4: Simplify right side
    117,519.27x = 11,315,695,876.60
  5. Step 5: Solve for x
    x = 11,315,695,876.60/117,519.27
  6. Step 6: Final answer
    x = 96,288.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.