Home / 130,016.40-194,635.80-122,326.80

Finding the Fourth Proportional to 130,016.40, 194,635.80 and 122,326.80

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Solution

The fourth proportional to 130,016.40, 194,635.80 and 122,326.80 is: 183,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.40 : 194,635.80 = 122,326.80 : x
  2. Step 2: Convert to fraction form
    130,016.40/194,635.80 = 122,326.80/x
  3. Step 3: Cross multiply
    130,016.40x = 194,635.80 × 122,326.80
  4. Step 4: Simplify right side
    130,016.40x = 23,809,174,579.44
  5. Step 5: Solve for x
    x = 23,809,174,579.44/130,016.40
  6. Step 6: Final answer
    x = 183,124.39

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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.