Home / 190,191.28-285,286.92-49,949.68

Finding the Fourth Proportional to 190,191.28, 285,286.92 and 49,949.68

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Solution

The fourth proportional to 190,191.28, 285,286.92 and 49,949.68 is: 74,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,191.28 : 285,286.92 = 49,949.68 : x
  2. Step 2: Convert to fraction form
    190,191.28/285,286.92 = 49,949.68/x
  3. Step 3: Cross multiply
    190,191.28x = 285,286.92 × 49,949.68
  4. Step 4: Simplify right side
    190,191.28x = 14,249,990,362.19
  5. Step 5: Solve for x
    x = 14,249,990,362.19/190,191.28
  6. Step 6: Final answer
    x = 74,924.52

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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.