Home / 190,934.20-285,818.10-148,943.80

Finding the Fourth Proportional to 190,934.20, 285,818.10 and 148,943.80

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Solution

The fourth proportional to 190,934.20, 285,818.10 and 148,943.80 is: 222,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,934.20 : 285,818.10 = 148,943.80 : x
  2. Step 2: Convert to fraction form
    190,934.20/285,818.10 = 148,943.80/x
  3. Step 3: Cross multiply
    190,934.20x = 285,818.10 × 148,943.80
  4. Step 4: Simplify right side
    190,934.20x = 42,570,833,922.78
  5. Step 5: Solve for x
    x = 42,570,833,922.78/190,934.20
  6. Step 6: Final answer
    x = 222,960.76

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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.