Home / 191,964.93-264,917.15-105,929.56

Finding the Fourth Proportional to 191,964.93, 264,917.15 and 105,929.56

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Solution

The fourth proportional to 191,964.93, 264,917.15 and 105,929.56 is: 146,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964.93 : 264,917.15 = 105,929.56 : x
  2. Step 2: Convert to fraction form
    191,964.93/264,917.15 = 105,929.56/x
  3. Step 3: Cross multiply
    191,964.93x = 264,917.15 × 105,929.56
  4. Step 4: Simplify right side
    191,964.93x = 28,062,557,135.95
  5. Step 5: Solve for x
    x = 28,062,557,135.95/191,964.93
  6. Step 6: Final answer
    x = 146,185.85

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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.