Home / 191,787.57-264,558.47-120,043.04

Finding the Fourth Proportional to 191,787.57, 264,558.47 and 120,043.04

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Solution

The fourth proportional to 191,787.57, 264,558.47 and 120,043.04 is: 165,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.57 : 264,558.47 = 120,043.04 : x
  2. Step 2: Convert to fraction form
    191,787.57/264,558.47 = 120,043.04/x
  3. Step 3: Cross multiply
    191,787.57x = 264,558.47 × 120,043.04
  4. Step 4: Simplify right side
    191,787.57x = 31,758,401,073.54
  5. Step 5: Solve for x
    x = 31,758,401,073.54/191,787.57
  6. Step 6: Final answer
    x = 165,591.55

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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.