Home / 132,975.55-183,481.15-79,265.58

Finding the Fourth Proportional to 132,975.55, 183,481.15 and 79,265.58

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Solution

The fourth proportional to 132,975.55, 183,481.15 and 79,265.58 is: 109,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.55 : 183,481.15 = 79,265.58 : x
  2. Step 2: Convert to fraction form
    132,975.55/183,481.15 = 79,265.58/x
  3. Step 3: Cross multiply
    132,975.55x = 183,481.15 × 79,265.58
  4. Step 4: Simplify right side
    132,975.55x = 14,543,739,773.82
  5. Step 5: Solve for x
    x = 14,543,739,773.82/132,975.55
  6. Step 6: Final answer
    x = 109,371.53

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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.