Home / 439,548.58-659,286.42-140,017.06

Finding the Fourth Proportional to 439,548.58, 659,286.42 and 140,017.06

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Solution

The fourth proportional to 439,548.58, 659,286.42 and 140,017.06 is: 210,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,548.58 : 659,286.42 = 140,017.06 : x
  2. Step 2: Convert to fraction form
    439,548.58/659,286.42 = 140,017.06/x
  3. Step 3: Cross multiply
    439,548.58x = 659,286.42 × 140,017.06
  4. Step 4: Simplify right side
    439,548.58x = 92,311,346,226.33
  5. Step 5: Solve for x
    x = 92,311,346,226.33/439,548.58
  6. Step 6: Final answer
    x = 210,013.98

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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.