Home / 154,217.76-212,579.82-141,845.04

Finding the Fourth Proportional to 154,217.76, 212,579.82 and 141,845.04

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Solution

The fourth proportional to 154,217.76, 212,579.82 and 141,845.04 is: 195,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.76 : 212,579.82 = 141,845.04 : x
  2. Step 2: Convert to fraction form
    154,217.76/212,579.82 = 141,845.04/x
  3. Step 3: Cross multiply
    154,217.76x = 212,579.82 × 141,845.04
  4. Step 4: Simplify right side
    154,217.76x = 30,153,393,071.09
  5. Step 5: Solve for x
    x = 30,153,393,071.09/154,217.76
  6. Step 6: Final answer
    x = 195,524.78

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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.