Home / 136,175.82-188,057.37-112,214.19

Finding the Fourth Proportional to 136,175.82, 188,057.37 and 112,214.19

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Solution

The fourth proportional to 136,175.82, 188,057.37 and 112,214.19 is: 154,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,175.82 : 188,057.37 = 112,214.19 : x
  2. Step 2: Convert to fraction form
    136,175.82/188,057.37 = 112,214.19/x
  3. Step 3: Cross multiply
    136,175.82x = 188,057.37 × 112,214.19
  4. Step 4: Simplify right side
    136,175.82x = 21,102,705,448.08
  5. Step 5: Solve for x
    x = 21,102,705,448.08/136,175.82
  6. Step 6: Final answer
    x = 154,966.61

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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.