Home / 143,184.36-197,582.86-82,758.92

Finding the Fourth Proportional to 143,184.36, 197,582.86 and 82,758.92

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Solution

The fourth proportional to 143,184.36, 197,582.86 and 82,758.92 is: 114,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.36 : 197,582.86 = 82,758.92 : x
  2. Step 2: Convert to fraction form
    143,184.36/197,582.86 = 82,758.92/x
  3. Step 3: Cross multiply
    143,184.36x = 197,582.86 × 82,758.92
  4. Step 4: Simplify right side
    143,184.36x = 16,351,744,331.05
  5. Step 5: Solve for x
    x = 16,351,744,331.05/143,184.36
  6. Step 6: Final answer
    x = 114,200.63

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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.