Home / 132,858.26-183,240.72-85,116.05

Finding the Fourth Proportional to 132,858.26, 183,240.72 and 85,116.05

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Solution

The fourth proportional to 132,858.26, 183,240.72 and 85,116.05 is: 117,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858.26 : 183,240.72 = 85,116.05 : x
  2. Step 2: Convert to fraction form
    132,858.26/183,240.72 = 85,116.05/x
  3. Step 3: Cross multiply
    132,858.26x = 183,240.72 × 85,116.05
  4. Step 4: Simplify right side
    132,858.26x = 15,596,726,285.56
  5. Step 5: Solve for x
    x = 15,596,726,285.56/132,858.26
  6. Step 6: Final answer
    x = 117,393.73

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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.