Home / 137,716.17-190,221.54-113,604.51

Finding the Fourth Proportional to 137,716.17, 190,221.54 and 113,604.51

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Solution

The fourth proportional to 137,716.17, 190,221.54 and 113,604.51 is: 156,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,716.17 : 190,221.54 = 113,604.51 : x
  2. Step 2: Convert to fraction form
    137,716.17/190,221.54 = 113,604.51/x
  3. Step 3: Cross multiply
    137,716.17x = 190,221.54 × 113,604.51
  4. Step 4: Simplify right side
    137,716.17x = 21,610,024,843.15
  5. Step 5: Solve for x
    x = 21,610,024,843.15/137,716.17
  6. Step 6: Final answer
    x = 156,917.12

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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.