Home / 141,718.80-195,585.76-105,846.56

Finding the Fourth Proportional to 141,718.80, 195,585.76 and 105,846.56

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Solution

The fourth proportional to 141,718.80, 195,585.76 and 105,846.56 is: 146,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718.80 : 195,585.76 = 105,846.56 : x
  2. Step 2: Convert to fraction form
    141,718.80/195,585.76 = 105,846.56/x
  3. Step 3: Cross multiply
    141,718.80x = 195,585.76 × 105,846.56
  4. Step 4: Simplify right side
    141,718.80x = 20,702,079,880.99
  5. Step 5: Solve for x
    x = 20,702,079,880.99/141,718.80
  6. Step 6: Final answer
    x = 146,078.57

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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.