Home / 191,206.23-263,864.82-106,321.47

Finding the Fourth Proportional to 191,206.23, 263,864.82 and 106,321.47

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Solution

The fourth proportional to 191,206.23, 263,864.82 and 106,321.47 is: 146,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.23 : 263,864.82 = 106,321.47 : x
  2. Step 2: Convert to fraction form
    191,206.23/263,864.82 = 106,321.47/x
  3. Step 3: Cross multiply
    191,206.23x = 263,864.82 × 106,321.47
  4. Step 4: Simplify right side
    191,206.23x = 28,054,495,543.69
  5. Step 5: Solve for x
    x = 28,054,495,543.69/191,206.23
  6. Step 6: Final answer
    x = 146,723.75

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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.