Home / 131,463.77-197,116.67-51,406.37

Finding the Fourth Proportional to 131,463.77, 197,116.67 and 51,406.37

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Solution

The fourth proportional to 131,463.77, 197,116.67 and 51,406.37 is: 77,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,463.77 : 197,116.67 = 51,406.37 : x
  2. Step 2: Convert to fraction form
    131,463.77/197,116.67 = 51,406.37/x
  3. Step 3: Cross multiply
    131,463.77x = 197,116.67 × 51,406.37
  4. Step 4: Simplify right side
    131,463.77x = 10,133,052,471.19
  5. Step 5: Solve for x
    x = 10,133,052,471.19/131,463.77
  6. Step 6: Final answer
    x = 77,078.67

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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.