Home / 193,606.61-290,234.95-68,918.45

Finding the Fourth Proportional to 193,606.61, 290,234.95 and 68,918.45

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Solution

The fourth proportional to 193,606.61, 290,234.95 and 68,918.45 is: 103,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,606.61 : 290,234.95 = 68,918.45 : x
  2. Step 2: Convert to fraction form
    193,606.61/290,234.95 = 68,918.45/x
  3. Step 3: Cross multiply
    193,606.61x = 290,234.95 × 68,918.45
  4. Step 4: Simplify right side
    193,606.61x = 20,002,541,266.36
  5. Step 5: Solve for x
    x = 20,002,541,266.36/193,606.61
  6. Step 6: Final answer
    x = 103,315.39

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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.