Home / 190,516.50-285,752.79-50,286.06

Finding the Fourth Proportional to 190,516.50, 285,752.79 and 50,286.06

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Solution

The fourth proportional to 190,516.50, 285,752.79 and 50,286.06 is: 75,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,516.50 : 285,752.79 = 50,286.06 : x
  2. Step 2: Convert to fraction form
    190,516.50/285,752.79 = 50,286.06/x
  3. Step 3: Cross multiply
    190,516.50x = 285,752.79 × 50,286.06
  4. Step 4: Simplify right side
    190,516.50x = 14,369,381,943.11
  5. Step 5: Solve for x
    x = 14,369,381,943.11/190,516.50
  6. Step 6: Final answer
    x = 75,423.29

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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.