Home / 193,631.84-290,561.43-81,303.41

Finding the Fourth Proportional to 193,631.84, 290,561.43 and 81,303.41

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Solution

The fourth proportional to 193,631.84, 290,561.43 and 81,303.41 is: 122,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631.84 : 290,561.43 = 81,303.41 : x
  2. Step 2: Convert to fraction form
    193,631.84/290,561.43 = 81,303.41/x
  3. Step 3: Cross multiply
    193,631.84x = 290,561.43 × 81,303.41
  4. Step 4: Simplify right side
    193,631.84x = 23,623,635,799.88
  5. Step 5: Solve for x
    x = 23,623,635,799.88/193,631.84
  6. Step 6: Final answer
    x = 122,002.85

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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.