Home / 190,928.40-285,712.20-166,239.60

Finding the Fourth Proportional to 190,928.40, 285,712.20 and 166,239.60

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Solution

The fourth proportional to 190,928.40, 285,712.20 and 166,239.60 is: 248,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,928.40 : 285,712.20 = 166,239.60 : x
  2. Step 2: Convert to fraction form
    190,928.40/285,712.20 = 166,239.60/x
  3. Step 3: Cross multiply
    190,928.40x = 285,712.20 × 166,239.60
  4. Step 4: Simplify right side
    190,928.40x = 47,496,681,843.12
  5. Step 5: Solve for x
    x = 47,496,681,843.12/190,928.40
  6. Step 6: Final answer
    x = 248,766.98

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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.