Home / 132,886.33-183,234.15-108,611.95

Finding the Fourth Proportional to 132,886.33, 183,234.15 and 108,611.95

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Solution

The fourth proportional to 132,886.33, 183,234.15 and 108,611.95 is: 149,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886.33 : 183,234.15 = 108,611.95 : x
  2. Step 2: Convert to fraction form
    132,886.33/183,234.15 = 108,611.95/x
  3. Step 3: Cross multiply
    132,886.33x = 183,234.15 × 108,611.95
  4. Step 4: Simplify right side
    132,886.33x = 19,901,418,338.09
  5. Step 5: Solve for x
    x = 19,901,418,338.09/132,886.33
  6. Step 6: Final answer
    x = 149,762.72

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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.