Home / 116,491.87-160,565.19-82,456.70

Finding the Fourth Proportional to 116,491.87, 160,565.19 and 82,456.70

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Solution

The fourth proportional to 116,491.87, 160,565.19 and 82,456.70 is: 113,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,491.87 : 160,565.19 = 82,456.70 : x
  2. Step 2: Convert to fraction form
    116,491.87/160,565.19 = 82,456.70/x
  3. Step 3: Cross multiply
    116,491.87x = 160,565.19 × 82,456.70
  4. Step 4: Simplify right side
    116,491.87x = 13,239,675,702.27
  5. Step 5: Solve for x
    x = 13,239,675,702.27/116,491.87
  6. Step 6: Final answer
    x = 113,653.22

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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.