Home / 116,717.15-161,720.15-114,194.81

Finding the Fourth Proportional to 116,717.15, 161,720.15 and 114,194.81

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Solution

The fourth proportional to 116,717.15, 161,720.15 and 114,194.81 is: 158,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,717.15 : 161,720.15 = 114,194.81 : x
  2. Step 2: Convert to fraction form
    116,717.15/161,720.15 = 114,194.81/x
  3. Step 3: Cross multiply
    116,717.15x = 161,720.15 × 114,194.81
  4. Step 4: Simplify right side
    116,717.15x = 18,467,601,635.75
  5. Step 5: Solve for x
    x = 18,467,601,635.75/116,717.15
  6. Step 6: Final answer
    x = 158,225.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.