Home / 190,086.50-285,118.68-49,845.08

Finding the Fourth Proportional to 190,086.50, 285,118.68 and 49,845.08

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Solution

The fourth proportional to 190,086.50, 285,118.68 and 49,845.08 is: 74,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,086.50 : 285,118.68 = 49,845.08 : x
  2. Step 2: Convert to fraction form
    190,086.50/285,118.68 = 49,845.08/x
  3. Step 3: Cross multiply
    190,086.50x = 285,118.68 × 49,845.08
  4. Step 4: Simplify right side
    190,086.50x = 14,211,763,414.09
  5. Step 5: Solve for x
    x = 14,211,763,414.09/190,086.50
  6. Step 6: Final answer
    x = 74,764.72

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1.5x scale

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.