Home / 114,942.36-158,619.42-64,640.28

Finding the Fourth Proportional to 114,942.36, 158,619.42 and 64,640.28

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Solution

The fourth proportional to 114,942.36, 158,619.42 and 64,640.28 is: 89,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.36 : 158,619.42 = 64,640.28 : x
  2. Step 2: Convert to fraction form
    114,942.36/158,619.42 = 64,640.28/x
  3. Step 3: Cross multiply
    114,942.36x = 158,619.42 × 64,640.28
  4. Step 4: Simplify right side
    114,942.36x = 10,253,203,722.24
  5. Step 5: Solve for x
    x = 10,253,203,722.24/114,942.36
  6. Step 6: Final answer
    x = 89,203.00

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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.