Home / 99,194.97-148,636.94-84,342.81

Finding the Fourth Proportional to 99,194.97, 148,636.94 and 84,342.81

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Solution

The fourth proportional to 99,194.97, 148,636.94 and 84,342.81 is: 126,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,194.97 : 148,636.94 = 84,342.81 : x
  2. Step 2: Convert to fraction form
    99,194.97/148,636.94 = 84,342.81/x
  3. Step 3: Cross multiply
    99,194.97x = 148,636.94 × 84,342.81
  4. Step 4: Simplify right side
    99,194.97x = 12,536,456,767.69
  5. Step 5: Solve for x
    x = 12,536,456,767.69/99,194.97
  6. Step 6: Final answer
    x = 126,381.98

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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.