Home / 132,164.49-197,997.04-102,436.78

Finding the Fourth Proportional to 132,164.49, 197,997.04 and 102,436.78

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Solution

The fourth proportional to 132,164.49, 197,997.04 and 102,436.78 is: 153,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,164.49 : 197,997.04 = 102,436.78 : x
  2. Step 2: Convert to fraction form
    132,164.49/197,997.04 = 102,436.78/x
  3. Step 3: Cross multiply
    132,164.49x = 197,997.04 × 102,436.78
  4. Step 4: Simplify right side
    132,164.49x = 20,282,179,227.13
  5. Step 5: Solve for x
    x = 20,282,179,227.13/132,164.49
  6. Step 6: Final answer
    x = 153,461.64

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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.