Home / 190,084.50-285,115.68-49,843.08

Finding the Fourth Proportional to 190,084.50, 285,115.68 and 49,843.08

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Solution

The fourth proportional to 190,084.50, 285,115.68 and 49,843.08 is: 74,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,084.50 : 285,115.68 = 49,843.08 : x
  2. Step 2: Convert to fraction form
    190,084.50/285,115.68 = 49,843.08/x
  3. Step 3: Cross multiply
    190,084.50x = 285,115.68 × 49,843.08
  4. Step 4: Simplify right side
    190,084.50x = 14,211,043,647.49
  5. Step 5: Solve for x
    x = 14,211,043,647.49/190,084.50
  6. Step 6: Final answer
    x = 74,761.72

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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.