Home / 149,105.48-223,218.79-98,410.98

Finding the Fourth Proportional to 149,105.48, 223,218.79 and 98,410.98

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Solution

The fourth proportional to 149,105.48, 223,218.79 and 98,410.98 is: 147,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105.48 : 223,218.79 = 98,410.98 : x
  2. Step 2: Convert to fraction form
    149,105.48/223,218.79 = 98,410.98/x
  3. Step 3: Cross multiply
    149,105.48x = 223,218.79 × 98,410.98
  4. Step 4: Simplify right side
    149,105.48x = 21,967,180,469.36
  5. Step 5: Solve for x
    x = 21,967,180,469.36/149,105.48
  6. Step 6: Final answer
    x = 147,326.45

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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.