Home / 147,722.23-203,786.98-107,418.25

Finding the Fourth Proportional to 147,722.23, 203,786.98 and 107,418.25

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Solution

The fourth proportional to 147,722.23, 203,786.98 and 107,418.25 is: 148,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,722.23 : 203,786.98 = 107,418.25 : x
  2. Step 2: Convert to fraction form
    147,722.23/203,786.98 = 107,418.25/x
  3. Step 3: Cross multiply
    147,722.23x = 203,786.98 × 107,418.25
  4. Step 4: Simplify right side
    147,722.23x = 21,890,440,764.39
  5. Step 5: Solve for x
    x = 21,890,440,764.39/147,722.23
  6. Step 6: Final answer
    x = 148,186.50

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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.