Home / 132,053.27-197,981.42-79,450.52

Finding the Fourth Proportional to 132,053.27, 197,981.42 and 79,450.52

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Solution

The fourth proportional to 132,053.27, 197,981.42 and 79,450.52 is: 119,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,053.27 : 197,981.42 = 79,450.52 : x
  2. Step 2: Convert to fraction form
    132,053.27/197,981.42 = 79,450.52/x
  3. Step 3: Cross multiply
    132,053.27x = 197,981.42 × 79,450.52
  4. Step 4: Simplify right side
    132,053.27x = 15,729,725,382.18
  5. Step 5: Solve for x
    x = 15,729,725,382.18/132,053.27
  6. Step 6: Final answer
    x = 119,116.52

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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.