Home / 154,195.52-212,797.94-93,756.15

Finding the Fourth Proportional to 154,195.52, 212,797.94 and 93,756.15

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Solution

The fourth proportional to 154,195.52, 212,797.94 and 93,756.15 is: 129,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195.52 : 212,797.94 = 93,756.15 : x
  2. Step 2: Convert to fraction form
    154,195.52/212,797.94 = 93,756.15/x
  3. Step 3: Cross multiply
    154,195.52x = 212,797.94 × 93,756.15
  4. Step 4: Simplify right side
    154,195.52x = 19,951,115,113.55
  5. Step 5: Solve for x
    x = 19,951,115,113.55/154,195.52
  6. Step 6: Final answer
    x = 129,388.43

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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.