Home / 138,448.44-191,058.89-74,786.22

Finding the Fourth Proportional to 138,448.44, 191,058.89 and 74,786.22

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Solution

The fourth proportional to 138,448.44, 191,058.89 and 74,786.22 is: 103,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,448.44 : 191,058.89 = 74,786.22 : x
  2. Step 2: Convert to fraction form
    138,448.44/191,058.89 = 74,786.22/x
  3. Step 3: Cross multiply
    138,448.44x = 191,058.89 × 74,786.22
  4. Step 4: Simplify right side
    138,448.44x = 14,288,571,806.56
  5. Step 5: Solve for x
    x = 14,288,571,806.56/138,448.44
  6. Step 6: Final answer
    x = 103,205.00

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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.