Home / 154,333.80-231,592.74-68,937.96

Finding the Fourth Proportional to 154,333.80, 231,592.74 and 68,937.96

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Solution

The fourth proportional to 154,333.80, 231,592.74 and 68,937.96 is: 103,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,333.80 : 231,592.74 = 68,937.96 : x
  2. Step 2: Convert to fraction form
    154,333.80/231,592.74 = 68,937.96/x
  3. Step 3: Cross multiply
    154,333.80x = 231,592.74 × 68,937.96
  4. Step 4: Simplify right side
    154,333.80x = 15,965,531,046.41
  5. Step 5: Solve for x
    x = 15,965,531,046.41/154,333.80
  6. Step 6: Final answer
    x = 103,448.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.