Home / 141,708.18-195,571.11-105,835.92

Finding the Fourth Proportional to 141,708.18, 195,571.11 and 105,835.92

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Solution

The fourth proportional to 141,708.18, 195,571.11 and 105,835.92 is: 146,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.18 : 195,571.11 = 105,835.92 : x
  2. Step 2: Convert to fraction form
    141,708.18/195,571.11 = 105,835.92/x
  3. Step 3: Cross multiply
    141,708.18x = 195,571.11 × 105,835.92
  4. Step 4: Simplify right side
    141,708.18x = 20,698,448,352.27
  5. Step 5: Solve for x
    x = 20,698,448,352.27/141,708.18
  6. Step 6: Final answer
    x = 146,063.89

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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.