Home / 193,837.72-290,795.64-69,175.48

Finding the Fourth Proportional to 193,837.72, 290,795.64 and 69,175.48

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Solution

The fourth proportional to 193,837.72, 290,795.64 and 69,175.48 is: 103,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,837.72 : 290,795.64 = 69,175.48 : x
  2. Step 2: Convert to fraction form
    193,837.72/290,795.64 = 69,175.48/x
  3. Step 3: Cross multiply
    193,837.72x = 290,795.64 × 69,175.48
  4. Step 4: Simplify right side
    193,837.72x = 20,115,927,978.91
  5. Step 5: Solve for x
    x = 20,115,927,978.91/193,837.72
  6. Step 6: Final answer
    x = 103,777.16

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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.