Home / 197,429.10-272,451.26-106,784.85

Finding the Fourth Proportional to 197,429.10, 272,451.26 and 106,784.85

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Solution

The fourth proportional to 197,429.10, 272,451.26 and 106,784.85 is: 147,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,429.10 : 272,451.26 = 106,784.85 : x
  2. Step 2: Convert to fraction form
    197,429.10/272,451.26 = 106,784.85/x
  3. Step 3: Cross multiply
    197,429.10x = 272,451.26 × 106,784.85
  4. Step 4: Simplify right side
    197,429.10x = 29,093,666,517.25
  5. Step 5: Solve for x
    x = 29,093,666,517.25/197,429.10
  6. Step 6: Final answer
    x = 147,362.61

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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.