Home / 106,940.36-160,320.31-67,410.34

Finding the Fourth Proportional to 106,940.36, 160,320.31 and 67,410.34

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Solution

The fourth proportional to 106,940.36, 160,320.31 and 67,410.34 is: 101,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.36 : 160,320.31 = 67,410.34 : x
  2. Step 2: Convert to fraction form
    106,940.36/160,320.31 = 67,410.34/x
  3. Step 3: Cross multiply
    106,940.36x = 160,320.31 × 67,410.34
  4. Step 4: Simplify right side
    106,940.36x = 10,807,246,606.01
  5. Step 5: Solve for x
    x = 10,807,246,606.01/106,940.36
  6. Step 6: Final answer
    x = 101,058.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.