Home / 119,198.40-164,526.90-68,239.68

Finding the Fourth Proportional to 119,198.40, 164,526.90 and 68,239.68

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Solution

The fourth proportional to 119,198.40, 164,526.90 and 68,239.68 is: 94,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,198.40 : 164,526.90 = 68,239.68 : x
  2. Step 2: Convert to fraction form
    119,198.40/164,526.90 = 68,239.68/x
  3. Step 3: Cross multiply
    119,198.40x = 164,526.90 × 68,239.68
  4. Step 4: Simplify right side
    119,198.40x = 11,227,263,007.39
  5. Step 5: Solve for x
    x = 11,227,263,007.39/119,198.40
  6. Step 6: Final answer
    x = 94,189.71

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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.