Home / 191,787.87-264,669.33-105,747.02

Finding the Fourth Proportional to 191,787.87, 264,669.33 and 105,747.02

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Solution

The fourth proportional to 191,787.87, 264,669.33 and 105,747.02 is: 145,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.87 : 264,669.33 = 105,747.02 : x
  2. Step 2: Convert to fraction form
    191,787.87/264,669.33 = 105,747.02/x
  3. Step 3: Cross multiply
    191,787.87x = 264,669.33 × 105,747.02
  4. Step 4: Simplify right side
    191,787.87x = 27,987,991,609.55
  5. Step 5: Solve for x
    x = 27,987,991,609.55/191,787.87
  6. Step 6: Final answer
    x = 145,932.02

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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.