Home / 146,216.40-218,838.60-106,121.40

Finding the Fourth Proportional to 146,216.40, 218,838.60 and 106,121.40

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Solution

The fourth proportional to 146,216.40, 218,838.60 and 106,121.40 is: 158,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,216.40 : 218,838.60 = 106,121.40 : x
  2. Step 2: Convert to fraction form
    146,216.40/218,838.60 = 106,121.40/x
  3. Step 3: Cross multiply
    146,216.40x = 218,838.60 × 106,121.40
  4. Step 4: Simplify right side
    146,216.40x = 23,223,458,606.04
  5. Step 5: Solve for x
    x = 23,223,458,606.04/146,216.40
  6. Step 6: Final answer
    x = 158,829.37

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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.