Home / 193,696.47-290,561.40-53,455.10

Finding the Fourth Proportional to 193,696.47, 290,561.40 and 53,455.10

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Solution

The fourth proportional to 193,696.47, 290,561.40 and 53,455.10 is: 80,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,696.47 : 290,561.40 = 53,455.10 : x
  2. Step 2: Convert to fraction form
    193,696.47/290,561.40 = 53,455.10/x
  3. Step 3: Cross multiply
    193,696.47x = 290,561.40 × 53,455.10
  4. Step 4: Simplify right side
    193,696.47x = 15,531,987,240.33
  5. Step 5: Solve for x
    x = 15,531,987,240.33/193,696.47
  6. Step 6: Final answer
    x = 80,187.25

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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.