Home / 193,146.88-289,722.48-127,003.36

Finding the Fourth Proportional to 193,146.88, 289,722.48 and 127,003.36

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Solution

The fourth proportional to 193,146.88, 289,722.48 and 127,003.36 is: 190,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,146.88 : 289,722.48 = 127,003.36 : x
  2. Step 2: Convert to fraction form
    193,146.88/289,722.48 = 127,003.36/x
  3. Step 3: Cross multiply
    193,146.88x = 289,722.48 × 127,003.36
  4. Step 4: Simplify right side
    193,146.88x = 36,795,728,427.53
  5. Step 5: Solve for x
    x = 36,795,728,427.53/193,146.88
  6. Step 6: Final answer
    x = 190,506.46

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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.