Home / 141,863.19-195,785.00-105,990.93

Finding the Fourth Proportional to 141,863.19, 195,785.00 and 105,990.93

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Solution

The fourth proportional to 141,863.19, 195,785.00 and 105,990.93 is: 146,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,863.19 : 195,785.00 = 105,990.93 : x
  2. Step 2: Convert to fraction form
    141,863.19/195,785.00 = 105,990.93/x
  3. Step 3: Cross multiply
    141,863.19x = 195,785.00 × 105,990.93
  4. Step 4: Simplify right side
    141,863.19x = 20,751,433,700.10
  5. Step 5: Solve for x
    x = 20,751,433,700.10/141,863.19
  6. Step 6: Final answer
    x = 146,277.79

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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.