Home / 191,206.29-263,864.91-106,321.53

Finding the Fourth Proportional to 191,206.29, 263,864.91 and 106,321.53

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Solution

The fourth proportional to 191,206.29, 263,864.91 and 106,321.53 is: 146,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.29 : 263,864.91 = 106,321.53 : x
  2. Step 2: Convert to fraction form
    191,206.29/263,864.91 = 106,321.53/x
  3. Step 3: Cross multiply
    191,206.29x = 263,864.91 × 106,321.53
  4. Step 4: Simplify right side
    191,206.29x = 28,054,520,412.90
  5. Step 5: Solve for x
    x = 28,054,520,412.90/191,206.29
  6. Step 6: Final answer
    x = 146,723.84

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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.