Home / 191,787.24-264,660.30-120,205.92

Finding the Fourth Proportional to 191,787.24, 264,660.30 and 120,205.92

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Solution

The fourth proportional to 191,787.24, 264,660.30 and 120,205.92 is: 165,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.24 : 264,660.30 = 120,205.92 : x
  2. Step 2: Convert to fraction form
    191,787.24/264,660.30 = 120,205.92/x
  3. Step 3: Cross multiply
    191,787.24x = 264,660.30 × 120,205.92
  4. Step 4: Simplify right side
    191,787.24x = 31,813,734,848.98
  5. Step 5: Solve for x
    x = 31,813,734,848.98/191,787.24
  6. Step 6: Final answer
    x = 165,880.35

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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.