Home / 191,405.49-264,134.04-106,520.73

Finding the Fourth Proportional to 191,405.49, 264,134.04 and 106,520.73

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Solution

The fourth proportional to 191,405.49, 264,134.04 and 106,520.73 is: 146,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,405.49 : 264,134.04 = 106,520.73 : x
  2. Step 2: Convert to fraction form
    191,405.49/264,134.04 = 106,520.73/x
  3. Step 3: Cross multiply
    191,405.49x = 264,134.04 × 106,520.73
  4. Step 4: Simplify right side
    191,405.49x = 28,135,750,758.65
  5. Step 5: Solve for x
    x = 28,135,750,758.65/191,405.49
  6. Step 6: Final answer
    x = 146,995.53

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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.