Home / 126,900.07-190,361.88-41,511.42

Finding the Fourth Proportional to 126,900.07, 190,361.88 and 41,511.42

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Solution

The fourth proportional to 126,900.07, 190,361.88 and 41,511.42 is: 62,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,900.07 : 190,361.88 = 41,511.42 : x
  2. Step 2: Convert to fraction form
    126,900.07/190,361.88 = 41,511.42/x
  3. Step 3: Cross multiply
    126,900.07x = 190,361.88 × 41,511.42
  4. Step 4: Simplify right side
    126,900.07x = 7,902,191,952.67
  5. Step 5: Solve for x
    x = 7,902,191,952.67/126,900.07
  6. Step 6: Final answer
    x = 62,270.98

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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.