Home / 147,603.26-203,692.38-80,535.26

Finding the Fourth Proportional to 147,603.26, 203,692.38 and 80,535.26

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Solution

The fourth proportional to 147,603.26, 203,692.38 and 80,535.26 is: 111,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,603.26 : 203,692.38 = 80,535.26 : x
  2. Step 2: Convert to fraction form
    147,603.26/203,692.38 = 80,535.26/x
  3. Step 3: Cross multiply
    147,603.26x = 203,692.38 × 80,535.26
  4. Step 4: Simplify right side
    147,603.26x = 16,404,418,783.32
  5. Step 5: Solve for x
    x = 16,404,418,783.32/147,603.26
  6. Step 6: Final answer
    x = 111,138.59

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1.5x scale

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.