Home / 117,379.26-162,046.14-91,831.32

Finding the Fourth Proportional to 117,379.26, 162,046.14 and 91,831.32

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Solution

The fourth proportional to 117,379.26, 162,046.14 and 91,831.32 is: 126,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,379.26 : 162,046.14 = 91,831.32 : x
  2. Step 2: Convert to fraction form
    117,379.26/162,046.14 = 91,831.32/x
  3. Step 3: Cross multiply
    117,379.26x = 162,046.14 × 91,831.32
  4. Step 4: Simplify right side
    117,379.26x = 14,880,910,937.10
  5. Step 5: Solve for x
    x = 14,880,910,937.10/117,379.26
  6. Step 6: Final answer
    x = 126,776.32

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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.