Home / 143,523.85-198,062.92-83,097.65

Finding the Fourth Proportional to 143,523.85, 198,062.92 and 83,097.65

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Solution

The fourth proportional to 143,523.85, 198,062.92 and 83,097.65 is: 114,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,523.85 : 198,062.92 = 83,097.65 : x
  2. Step 2: Convert to fraction form
    143,523.85/198,062.92 = 83,097.65/x
  3. Step 3: Cross multiply
    143,523.85x = 198,062.92 × 83,097.65
  4. Step 4: Simplify right side
    143,523.85x = 16,458,562,689.06
  5. Step 5: Solve for x
    x = 16,458,562,689.06/143,523.85
  6. Step 6: Final answer
    x = 114,674.76

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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.