Home / 190,834.43-263,359.74-105,951.50

Finding the Fourth Proportional to 190,834.43, 263,359.74 and 105,951.50

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Solution

The fourth proportional to 190,834.43, 263,359.74 and 105,951.50 is: 146,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,834.43 : 263,359.74 = 105,951.50 : x
  2. Step 2: Convert to fraction form
    190,834.43/263,359.74 = 105,951.50/x
  3. Step 3: Cross multiply
    190,834.43x = 263,359.74 × 105,951.50
  4. Step 4: Simplify right side
    190,834.43x = 27,903,359,492.61
  5. Step 5: Solve for x
    x = 27,903,359,492.61/190,834.43
  6. Step 6: Final answer
    x = 146,217.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.