Home / 143,210.67-197,604.66-82,759.15

Finding the Fourth Proportional to 143,210.67, 197,604.66 and 82,759.15

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Solution

The fourth proportional to 143,210.67, 197,604.66 and 82,759.15 is: 114,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,210.67 : 197,604.66 = 82,759.15 : x
  2. Step 2: Convert to fraction form
    143,210.67/197,604.66 = 82,759.15/x
  3. Step 3: Cross multiply
    143,210.67x = 197,604.66 × 82,759.15
  4. Step 4: Simplify right side
    143,210.67x = 16,353,593,697.64
  5. Step 5: Solve for x
    x = 16,353,593,697.64/143,210.67
  6. Step 6: Final answer
    x = 114,192.56

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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.