Home / 126,447.48-189,670.51-51,567.33

Finding the Fourth Proportional to 126,447.48, 189,670.51 and 51,567.33

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Solution

The fourth proportional to 126,447.48, 189,670.51 and 51,567.33 is: 77,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,447.48 : 189,670.51 = 51,567.33 : x
  2. Step 2: Convert to fraction form
    126,447.48/189,670.51 = 51,567.33/x
  3. Step 3: Cross multiply
    126,447.48x = 189,670.51 × 51,567.33
  4. Step 4: Simplify right side
    126,447.48x = 9,780,802,556.16
  5. Step 5: Solve for x
    x = 9,780,802,556.16/126,447.48
  6. Step 6: Final answer
    x = 77,350.71

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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.