Home / 103,185.23-154,747.19-39,991.25

Finding the Fourth Proportional to 103,185.23, 154,747.19 and 39,991.25

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Solution

The fourth proportional to 103,185.23, 154,747.19 and 39,991.25 is: 59,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,185.23 : 154,747.19 = 39,991.25 : x
  2. Step 2: Convert to fraction form
    103,185.23/154,747.19 = 39,991.25/x
  3. Step 3: Cross multiply
    103,185.23x = 154,747.19 × 39,991.25
  4. Step 4: Simplify right side
    103,185.23x = 6,188,534,048.93
  5. Step 5: Solve for x
    x = 6,188,534,048.93/103,185.23
  6. Step 6: Final answer
    x = 59,975.00

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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.