Home / 191,961.07-264,911.91-107,076.31

Finding the Fourth Proportional to 191,961.07, 264,911.91 and 107,076.31

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Solution

The fourth proportional to 191,961.07, 264,911.91 and 107,076.31 is: 147,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,961.07 : 264,911.91 = 107,076.31 : x
  2. Step 2: Convert to fraction form
    191,961.07/264,911.91 = 107,076.31/x
  3. Step 3: Cross multiply
    191,961.07x = 264,911.91 × 107,076.31
  4. Step 4: Simplify right side
    191,961.07x = 28,365,789,797.85
  5. Step 5: Solve for x
    x = 28,365,789,797.85/191,961.07
  6. Step 6: Final answer
    x = 147,768.45

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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.