Home / 116,360.56-160,565.92-65,379.16

Finding the Fourth Proportional to 116,360.56, 160,565.92 and 65,379.16

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Solution

The fourth proportional to 116,360.56, 160,565.92 and 65,379.16 is: 90,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,360.56 : 160,565.92 = 65,379.16 : x
  2. Step 2: Convert to fraction form
    116,360.56/160,565.92 = 65,379.16/x
  3. Step 3: Cross multiply
    116,360.56x = 160,565.92 × 65,379.16
  4. Step 4: Simplify right side
    116,360.56x = 10,497,664,974.23
  5. Step 5: Solve for x
    x = 10,497,664,974.23/116,360.56
  6. Step 6: Final answer
    x = 90,216.69

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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.