Home / 193,810.08-290,890.48-81,573.20

Finding the Fourth Proportional to 193,810.08, 290,890.48 and 81,573.20

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Solution

The fourth proportional to 193,810.08, 290,890.48 and 81,573.20 is: 122,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,810.08 : 290,890.48 = 81,573.20 : x
  2. Step 2: Convert to fraction form
    193,810.08/290,890.48 = 81,573.20/x
  3. Step 3: Cross multiply
    193,810.08x = 290,890.48 × 81,573.20
  4. Step 4: Simplify right side
    193,810.08x = 23,728,867,303.14
  5. Step 5: Solve for x
    x = 23,728,867,303.14/193,810.08
  6. Step 6: Final answer
    x = 122,433.61

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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.