Home / 119,371.24-164,732.64-65,661.76

Finding the Fourth Proportional to 119,371.24, 164,732.64 and 65,661.76

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Solution

The fourth proportional to 119,371.24, 164,732.64 and 65,661.76 is: 90,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,371.24 : 164,732.64 = 65,661.76 : x
  2. Step 2: Convert to fraction form
    119,371.24/164,732.64 = 65,661.76/x
  3. Step 3: Cross multiply
    119,371.24x = 164,732.64 × 65,661.76
  4. Step 4: Simplify right side
    119,371.24x = 10,816,635,071.85
  5. Step 5: Solve for x
    x = 10,816,635,071.85/119,371.24
  6. Step 6: Final answer
    x = 90,613.41

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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.