Home / 190,934.40-285,721.20-166,245.60

Finding the Fourth Proportional to 190,934.40, 285,721.20 and 166,245.60

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Solution

The fourth proportional to 190,934.40, 285,721.20 and 166,245.60 is: 248,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,934.40 : 285,721.20 = 166,245.60 : x
  2. Step 2: Convert to fraction form
    190,934.40/285,721.20 = 166,245.60/x
  3. Step 3: Cross multiply
    190,934.40x = 285,721.20 × 166,245.60
  4. Step 4: Simplify right side
    190,934.40x = 47,499,892,326.72
  5. Step 5: Solve for x
    x = 47,499,892,326.72/190,934.40
  6. Step 6: Final answer
    x = 248,775.98

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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.