Home / 193,890.89-290,839.98-60,768.20

Finding the Fourth Proportional to 193,890.89, 290,839.98 and 60,768.20

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Solution

The fourth proportional to 193,890.89, 290,839.98 and 60,768.20 is: 91,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,890.89 : 290,839.98 = 60,768.20 : x
  2. Step 2: Convert to fraction form
    193,890.89/290,839.98 = 60,768.20/x
  3. Step 3: Cross multiply
    193,890.89x = 290,839.98 × 60,768.20
  4. Step 4: Simplify right side
    193,890.89x = 17,673,822,072.64
  5. Step 5: Solve for x
    x = 17,673,822,072.64/193,890.89
  6. Step 6: Final answer
    x = 91,153.44

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1.5x scale

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.