Home / 143,803.14-198,389.88-95,427.87

Finding the Fourth Proportional to 143,803.14, 198,389.88 and 95,427.87

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Solution

The fourth proportional to 143,803.14, 198,389.88 and 95,427.87 is: 131,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,803.14 : 198,389.88 = 95,427.87 : x
  2. Step 2: Convert to fraction form
    143,803.14/198,389.88 = 95,427.87/x
  3. Step 3: Cross multiply
    143,803.14x = 198,389.88 × 95,427.87
  4. Step 4: Simplify right side
    143,803.14x = 18,931,923,677.96
  5. Step 5: Solve for x
    x = 18,931,923,677.96/143,803.14
  6. Step 6: Final answer
    x = 131,651.67

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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.