Home / 193,804.24-290,818.80-81,475.60

Finding the Fourth Proportional to 193,804.24, 290,818.80 and 81,475.60

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Solution

The fourth proportional to 193,804.24, 290,818.80 and 81,475.60 is: 122,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,804.24 : 290,818.80 = 81,475.60 : x
  2. Step 2: Convert to fraction form
    193,804.24/290,818.80 = 81,475.60/x
  3. Step 3: Cross multiply
    193,804.24x = 290,818.80 × 81,475.60
  4. Step 4: Simplify right side
    193,804.24x = 23,694,636,221.28
  5. Step 5: Solve for x
    x = 23,694,636,221.28/193,804.24
  6. Step 6: Final answer
    x = 122,260.67

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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.