Home / 123,344.44-185,090.47-53,223.75

Finding the Fourth Proportional to 123,344.44, 185,090.47 and 53,223.75

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Solution

The fourth proportional to 123,344.44, 185,090.47 and 53,223.75 is: 79,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.44 : 185,090.47 = 53,223.75 : x
  2. Step 2: Convert to fraction form
    123,344.44/185,090.47 = 53,223.75/x
  3. Step 3: Cross multiply
    123,344.44x = 185,090.47 × 53,223.75
  4. Step 4: Simplify right side
    123,344.44x = 9,851,208,902.66
  5. Step 5: Solve for x
    x = 9,851,208,902.66/123,344.44
  6. Step 6: Final answer
    x = 79,867.47

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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.