Home / 132,738.60-183,179.18-73,122.60

Finding the Fourth Proportional to 132,738.60, 183,179.18 and 73,122.60

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Solution

The fourth proportional to 132,738.60, 183,179.18 and 73,122.60 is: 100,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.60 : 183,179.18 = 73,122.60 : x
  2. Step 2: Convert to fraction form
    132,738.60/183,179.18 = 73,122.60/x
  3. Step 3: Cross multiply
    132,738.60x = 183,179.18 × 73,122.60
  4. Step 4: Simplify right side
    132,738.60x = 13,394,537,907.47
  5. Step 5: Solve for x
    x = 13,394,537,907.47/132,738.60
  6. Step 6: Final answer
    x = 100,909.14

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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.