Home / 191,271.30-263,953.67-106,388.36

Finding the Fourth Proportional to 191,271.30, 263,953.67 and 106,388.36

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Solution

The fourth proportional to 191,271.30, 263,953.67 and 106,388.36 is: 146,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,271.30 : 263,953.67 = 106,388.36 : x
  2. Step 2: Convert to fraction form
    191,271.30/263,953.67 = 106,388.36/x
  3. Step 3: Cross multiply
    191,271.30x = 263,953.67 × 106,388.36
  4. Step 4: Simplify right side
    191,271.30x = 28,081,598,067.28
  5. Step 5: Solve for x
    x = 28,081,598,067.28/191,271.30
  6. Step 6: Final answer
    x = 146,815.53

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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.