Home / 132,198.93-198,371.16-57,319.74

Finding the Fourth Proportional to 132,198.93, 198,371.16 and 57,319.74

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Solution

The fourth proportional to 132,198.93, 198,371.16 and 57,319.74 is: 86,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,198.93 : 198,371.16 = 57,319.74 : x
  2. Step 2: Convert to fraction form
    132,198.93/198,371.16 = 57,319.74/x
  3. Step 3: Cross multiply
    132,198.93x = 198,371.16 × 57,319.74
  4. Step 4: Simplify right side
    132,198.93x = 11,370,583,314.70
  5. Step 5: Solve for x
    x = 11,370,583,314.70/132,198.93
  6. Step 6: Final answer
    x = 86,011.16

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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.