Home / 132,879.89-183,225.27-108,605.52

Finding the Fourth Proportional to 132,879.89, 183,225.27 and 108,605.52

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Solution

The fourth proportional to 132,879.89, 183,225.27 and 108,605.52 is: 149,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,879.89 : 183,225.27 = 108,605.52 : x
  2. Step 2: Convert to fraction form
    132,879.89/183,225.27 = 108,605.52/x
  3. Step 3: Cross multiply
    132,879.89x = 183,225.27 × 108,605.52
  4. Step 4: Simplify right side
    132,879.89x = 19,899,275,318.22
  5. Step 5: Solve for x
    x = 19,899,275,318.22/132,879.89
  6. Step 6: Final answer
    x = 149,753.86

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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.