Home / 134,669.82-185,844.78-74,239.14

Finding the Fourth Proportional to 134,669.82, 185,844.78 and 74,239.14

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Solution

The fourth proportional to 134,669.82, 185,844.78 and 74,239.14 is: 102,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,669.82 : 185,844.78 = 74,239.14 : x
  2. Step 2: Convert to fraction form
    134,669.82/185,844.78 = 74,239.14/x
  3. Step 3: Cross multiply
    134,669.82x = 185,844.78 × 74,239.14
  4. Step 4: Simplify right side
    134,669.82x = 13,796,956,640.69
  5. Step 5: Solve for x
    x = 13,796,956,640.69/134,669.82
  6. Step 6: Final answer
    x = 102,450.25

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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.