Home / 141,866.12-195,789.06-105,993.86

Finding the Fourth Proportional to 141,866.12, 195,789.06 and 105,993.86

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Solution

The fourth proportional to 141,866.12, 195,789.06 and 105,993.86 is: 146,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,866.12 : 195,789.06 = 105,993.86 : x
  2. Step 2: Convert to fraction form
    141,866.12/195,789.06 = 105,993.86/x
  3. Step 3: Cross multiply
    141,866.12x = 195,789.06 × 105,993.86
  4. Step 4: Simplify right side
    141,866.12x = 20,752,438,215.17
  5. Step 5: Solve for x
    x = 20,752,438,215.17/141,866.12
  6. Step 6: Final answer
    x = 146,281.85

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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.