Home / 127,347.62-191,010.42-43,105.97

Finding the Fourth Proportional to 127,347.62, 191,010.42 and 43,105.97

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Solution

The fourth proportional to 127,347.62, 191,010.42 and 43,105.97 is: 64,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.62 : 191,010.42 = 43,105.97 : x
  2. Step 2: Convert to fraction form
    127,347.62/191,010.42 = 43,105.97/x
  3. Step 3: Cross multiply
    127,347.62x = 191,010.42 × 43,105.97
  4. Step 4: Simplify right side
    127,347.62x = 8,233,689,911.73
  5. Step 5: Solve for x
    x = 8,233,689,911.73/127,347.62
  6. Step 6: Final answer
    x = 64,655.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.