Home / 193,984.01-291,047.09-81,692.49

Finding the Fourth Proportional to 193,984.01, 291,047.09 and 81,692.49

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Solution

The fourth proportional to 193,984.01, 291,047.09 and 81,692.49 is: 122,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,984.01 : 291,047.09 = 81,692.49 : x
  2. Step 2: Convert to fraction form
    193,984.01/291,047.09 = 81,692.49/x
  3. Step 3: Cross multiply
    193,984.01x = 291,047.09 × 81,692.49
  4. Step 4: Simplify right side
    193,984.01x = 23,776,361,080.89
  5. Step 5: Solve for x
    x = 23,776,361,080.89/193,984.01
  6. Step 6: Final answer
    x = 122,568.67

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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.