Home / 103,213.97-154,674.45-43,177.74

Finding the Fourth Proportional to 103,213.97, 154,674.45 and 43,177.74

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Solution

The fourth proportional to 103,213.97, 154,674.45 and 43,177.74 is: 64,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,213.97 : 154,674.45 = 43,177.74 : x
  2. Step 2: Convert to fraction form
    103,213.97/154,674.45 = 43,177.74/x
  3. Step 3: Cross multiply
    103,213.97x = 154,674.45 × 43,177.74
  4. Step 4: Simplify right side
    103,213.97x = 6,678,493,186.74
  5. Step 5: Solve for x
    x = 6,678,493,186.74/103,213.97
  6. Step 6: Final answer
    x = 64,705.33

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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.