Home / 193,623.83-290,549.52-81,295.41

Finding the Fourth Proportional to 193,623.83, 290,549.52 and 81,295.41

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Solution

The fourth proportional to 193,623.83, 290,549.52 and 81,295.41 is: 121,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,623.83 : 290,549.52 = 81,295.41 : x
  2. Step 2: Convert to fraction form
    193,623.83/290,549.52 = 81,295.41/x
  3. Step 3: Cross multiply
    193,623.83x = 290,549.52 × 81,295.41
  4. Step 4: Simplify right side
    193,623.83x = 23,620,341,947.23
  5. Step 5: Solve for x
    x = 23,620,341,947.23/193,623.83
  6. Step 6: Final answer
    x = 121,990.88

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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.