Home / 193,571.41-290,356.48-51,430.90

Finding the Fourth Proportional to 193,571.41, 290,356.48 and 51,430.90

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Solution

The fourth proportional to 193,571.41, 290,356.48 and 51,430.90 is: 77,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,571.41 : 290,356.48 = 51,430.90 : x
  2. Step 2: Convert to fraction form
    193,571.41/290,356.48 = 51,430.90/x
  3. Step 3: Cross multiply
    193,571.41x = 290,356.48 × 51,430.90
  4. Step 4: Simplify right side
    193,571.41x = 14,933,295,087.23
  5. Step 5: Solve for x
    x = 14,933,295,087.23/193,571.41
  6. Step 6: Final answer
    x = 77,146.18

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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.