Home / 166,985.44-230,504.88-99,939.04

Finding the Fourth Proportional to 166,985.44, 230,504.88 and 99,939.04

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Solution

The fourth proportional to 166,985.44, 230,504.88 and 99,939.04 is: 137,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,985.44 : 230,504.88 = 99,939.04 : x
  2. Step 2: Convert to fraction form
    166,985.44/230,504.88 = 99,939.04/x
  3. Step 3: Cross multiply
    166,985.44x = 230,504.88 × 99,939.04
  4. Step 4: Simplify right side
    166,985.44x = 23,036,436,422.52
  5. Step 5: Solve for x
    x = 23,036,436,422.52/166,985.44
  6. Step 6: Final answer
    x = 137,954.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.