Home / 207,111.03-311,251.58-122,887.04

Finding the Fourth Proportional to 207,111.03, 311,251.58 and 122,887.04

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Solution

The fourth proportional to 207,111.03, 311,251.58 and 122,887.04 is: 184,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,111.03 : 311,251.58 = 122,887.04 : x
  2. Step 2: Convert to fraction form
    207,111.03/311,251.58 = 122,887.04/x
  3. Step 3: Cross multiply
    207,111.03x = 311,251.58 × 122,887.04
  4. Step 4: Simplify right side
    207,111.03x = 38,248,783,190.83
  5. Step 5: Solve for x
    x = 38,248,783,190.83/207,111.03
  6. Step 6: Final answer
    x = 184,677.67

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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.