Home / 146,561.70-219,186.45-122,942.10

Finding the Fourth Proportional to 146,561.70, 219,186.45 and 122,942.10

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Solution

The fourth proportional to 146,561.70, 219,186.45 and 122,942.10 is: 183,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,561.70 : 219,186.45 = 122,942.10 : x
  2. Step 2: Convert to fraction form
    146,561.70/219,186.45 = 122,942.10/x
  3. Step 3: Cross multiply
    146,561.70x = 219,186.45 × 122,942.10
  4. Step 4: Simplify right side
    146,561.70x = 26,947,242,454.55
  5. Step 5: Solve for x
    x = 26,947,242,454.55/146,561.70
  6. Step 6: Final answer
    x = 183,862.79

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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.