Home / 131,939.06-197,833.61-51,933.67

Finding the Fourth Proportional to 131,939.06, 197,833.61 and 51,933.67

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Solution

The fourth proportional to 131,939.06, 197,833.61 and 51,933.67 is: 77,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,939.06 : 197,833.61 = 51,933.67 : x
  2. Step 2: Convert to fraction form
    131,939.06/197,833.61 = 51,933.67/x
  3. Step 3: Cross multiply
    131,939.06x = 197,833.61 × 51,933.67
  4. Step 4: Simplify right side
    131,939.06x = 10,274,224,778.34
  5. Step 5: Solve for x
    x = 10,274,224,778.34/131,939.06
  6. Step 6: Final answer
    x = 77,870.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.