Home / 191,205.92-263,864.39-106,321.16

Finding the Fourth Proportional to 191,205.92, 263,864.39 and 106,321.16

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Solution

The fourth proportional to 191,205.92, 263,864.39 and 106,321.16 is: 146,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,205.92 : 263,864.39 = 106,321.16 : x
  2. Step 2: Convert to fraction form
    191,205.92/263,864.39 = 106,321.16/x
  3. Step 3: Cross multiply
    191,205.92x = 263,864.39 × 106,321.16
  4. Step 4: Simplify right side
    191,205.92x = 28,054,366,506.40
  5. Step 5: Solve for x
    x = 28,054,366,506.40/191,205.92
  6. Step 6: Final answer
    x = 146,723.32

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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.