Home / 207,664.45-286,576.94-112,171.14

Finding the Fourth Proportional to 207,664.45, 286,576.94 and 112,171.14

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Solution

The fourth proportional to 207,664.45, 286,576.94 and 112,171.14 is: 154,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,664.45 : 286,576.94 = 112,171.14 : x
  2. Step 2: Convert to fraction form
    207,664.45/286,576.94 = 112,171.14/x
  3. Step 3: Cross multiply
    207,664.45x = 286,576.94 × 112,171.14
  4. Step 4: Simplify right side
    207,664.45x = 32,145,662,057.51
  5. Step 5: Solve for x
    x = 32,145,662,057.51/207,664.45
  6. Step 6: Final answer
    x = 154,796.17

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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.