Home / 191,273.28-263,966.88-106,392

Finding the Fourth Proportional to 191,273.28, 263,966.88 and 106,392

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Solution

The fourth proportional to 191,273.28, 263,966.88 and 106,392 is: 146,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,273.28 : 263,966.88 = 106,392 : x
  2. Step 2: Convert to fraction form
    191,273.28/263,966.88 = 106,392/x
  3. Step 3: Cross multiply
    191,273.28x = 263,966.88 × 106,392
  4. Step 4: Simplify right side
    191,273.28x = 28,083,964,296.96
  5. Step 5: Solve for x
    x = 28,083,964,296.96/191,273.28
  6. Step 6: Final answer
    x = 146,826.39

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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.