Home / 126,820.93-190,225.48-51,922.56

Finding the Fourth Proportional to 126,820.93, 190,225.48 and 51,922.56

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Solution

The fourth proportional to 126,820.93, 190,225.48 and 51,922.56 is: 77,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,820.93 : 190,225.48 = 51,922.56 : x
  2. Step 2: Convert to fraction form
    126,820.93/190,225.48 = 51,922.56/x
  3. Step 3: Cross multiply
    126,820.93x = 190,225.48 × 51,922.56
  4. Step 4: Simplify right side
    126,820.93x = 9,876,993,898.83
  5. Step 5: Solve for x
    x = 9,876,993,898.83/126,820.93
  6. Step 6: Final answer
    x = 77,881.42

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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.