Home / 191,205.23-263,863.44-106,320.47

Finding the Fourth Proportional to 191,205.23, 263,863.44 and 106,320.47

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Solution

The fourth proportional to 191,205.23, 263,863.44 and 106,320.47 is: 146,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,205.23 : 263,863.44 = 106,320.47 : x
  2. Step 2: Convert to fraction form
    191,205.23/263,863.44 = 106,320.47/x
  3. Step 3: Cross multiply
    191,205.23x = 263,863.44 × 106,320.47
  4. Step 4: Simplify right side
    191,205.23x = 28,054,084,228.09
  5. Step 5: Solve for x
    x = 28,054,084,228.09/191,205.23
  6. Step 6: Final answer
    x = 146,722.37

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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.