Home / 190,717.98-263,189.97-105,834.84

Finding the Fourth Proportional to 190,717.98, 263,189.97 and 105,834.84

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Solution

The fourth proportional to 190,717.98, 263,189.97 and 105,834.84 is: 146,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.98 : 263,189.97 = 105,834.84 : x
  2. Step 2: Convert to fraction form
    190,717.98/263,189.97 = 105,834.84/x
  3. Step 3: Cross multiply
    190,717.98x = 263,189.97 × 105,834.84
  4. Step 4: Simplify right side
    190,717.98x = 27,854,668,364.55
  5. Step 5: Solve for x
    x = 27,854,668,364.55/190,717.98
  6. Step 6: Final answer
    x = 146,051.61

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1.5x scale

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.