Home / 147,896.08-221,811.54-42,692.20

Finding the Fourth Proportional to 147,896.08, 221,811.54 and 42,692.20

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Solution

The fourth proportional to 147,896.08, 221,811.54 and 42,692.20 is: 64,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.08 : 221,811.54 = 42,692.20 : x
  2. Step 2: Convert to fraction form
    147,896.08/221,811.54 = 42,692.20/x
  3. Step 3: Cross multiply
    147,896.08x = 221,811.54 × 42,692.20
  4. Step 4: Simplify right side
    147,896.08x = 9,469,622,627.99
  5. Step 5: Solve for x
    x = 9,469,622,627.99/147,896.08
  6. Step 6: Final answer
    x = 64,028.90

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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.