Home / 143,188.32-197,596.44-79,525.56

Finding the Fourth Proportional to 143,188.32, 197,596.44 and 79,525.56

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Solution

The fourth proportional to 143,188.32, 197,596.44 and 79,525.56 is: 109,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188.32 : 197,596.44 = 79,525.56 : x
  2. Step 2: Convert to fraction form
    143,188.32/197,596.44 = 79,525.56/x
  3. Step 3: Cross multiply
    143,188.32x = 197,596.44 × 79,525.56
  4. Step 4: Simplify right side
    143,188.32x = 15,713,967,545.01
  5. Step 5: Solve for x
    x = 15,713,967,545.01/143,188.32
  6. Step 6: Final answer
    x = 109,743.36

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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.