Home / 117,301.27-161,771.16-91,466.14

Finding the Fourth Proportional to 117,301.27, 161,771.16 and 91,466.14

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Solution

The fourth proportional to 117,301.27, 161,771.16 and 91,466.14 is: 126,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,301.27 : 161,771.16 = 91,466.14 : x
  2. Step 2: Convert to fraction form
    117,301.27/161,771.16 = 91,466.14/x
  3. Step 3: Cross multiply
    117,301.27x = 161,771.16 × 91,466.14
  4. Step 4: Simplify right side
    117,301.27x = 14,796,583,568.52
  5. Step 5: Solve for x
    x = 14,796,583,568.52/117,301.27
  6. Step 6: Final answer
    x = 126,141.72

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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.