Home / 191,247.51-263,930.92-106,362.75

Finding the Fourth Proportional to 191,247.51, 263,930.92 and 106,362.75

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Solution

The fourth proportional to 191,247.51, 263,930.92 and 106,362.75 is: 146,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,247.51 : 263,930.92 = 106,362.75 : x
  2. Step 2: Convert to fraction form
    191,247.51/263,930.92 = 106,362.75/x
  3. Step 3: Cross multiply
    191,247.51x = 263,930.92 × 106,362.75
  4. Step 4: Simplify right side
    191,247.51x = 28,072,418,195.32
  5. Step 5: Solve for x
    x = 28,072,418,195.32/191,247.51
  6. Step 6: Final answer
    x = 146,785.80

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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.