Home / 154,028.39-212,442.14-132,553.87

Finding the Fourth Proportional to 154,028.39, 212,442.14 and 132,553.87

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Solution

The fourth proportional to 154,028.39, 212,442.14 and 132,553.87 is: 182,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,028.39 : 212,442.14 = 132,553.87 : x
  2. Step 2: Convert to fraction form
    154,028.39/212,442.14 = 132,553.87/x
  3. Step 3: Cross multiply
    154,028.39x = 212,442.14 × 132,553.87
  4. Step 4: Simplify right side
    154,028.39x = 28,160,027,608.36
  5. Step 5: Solve for x
    x = 28,160,027,608.36/154,028.39
  6. Step 6: Final answer
    x = 182,823.62

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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.