Home / 191,206.09-263,861.08-106,321.33

Finding the Fourth Proportional to 191,206.09, 263,861.08 and 106,321.33

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Solution

The fourth proportional to 191,206.09, 263,861.08 and 106,321.33 is: 146,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.09 : 263,861.08 = 106,321.33 : x
  2. Step 2: Convert to fraction form
    191,206.09/263,861.08 = 106,321.33/x
  3. Step 3: Cross multiply
    191,206.09x = 263,861.08 × 106,321.33
  4. Step 4: Simplify right side
    191,206.09x = 28,054,060,960.84
  5. Step 5: Solve for x
    x = 28,054,060,960.84/191,206.09
  6. Step 6: Final answer
    x = 146,721.59

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1.5x scale

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.