Home / 191,251.28-263,936.52-106,370

Finding the Fourth Proportional to 191,251.28, 263,936.52 and 106,370

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Solution

The fourth proportional to 191,251.28, 263,936.52 and 106,370 is: 146,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,251.28 : 263,936.52 = 106,370 : x
  2. Step 2: Convert to fraction form
    191,251.28/263,936.52 = 106,370/x
  3. Step 3: Cross multiply
    191,251.28x = 263,936.52 × 106,370
  4. Step 4: Simplify right side
    191,251.28x = 28,074,927,632.40
  5. Step 5: Solve for x
    x = 28,074,927,632.40/191,251.28
  6. Step 6: Final answer
    x = 146,796.02

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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.