Home / 132,045.46-182,205.20-74,692.60

Finding the Fourth Proportional to 132,045.46, 182,205.20 and 74,692.60

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Solution

The fourth proportional to 132,045.46, 182,205.20 and 74,692.60 is: 103,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,045.46 : 182,205.20 = 74,692.60 : x
  2. Step 2: Convert to fraction form
    132,045.46/182,205.20 = 74,692.60/x
  3. Step 3: Cross multiply
    132,045.46x = 182,205.20 × 74,692.60
  4. Step 4: Simplify right side
    132,045.46x = 13,609,380,121.52
  5. Step 5: Solve for x
    x = 13,609,380,121.52/132,045.46
  6. Step 6: Final answer
    x = 103,065.87

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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.