Home / 148,015.56-204,266.34-80,947.56

Finding the Fourth Proportional to 148,015.56, 204,266.34 and 80,947.56

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Solution

The fourth proportional to 148,015.56, 204,266.34 and 80,947.56 is: 111,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,015.56 : 204,266.34 = 80,947.56 : x
  2. Step 2: Convert to fraction form
    148,015.56/204,266.34 = 80,947.56/x
  3. Step 3: Cross multiply
    148,015.56x = 204,266.34 × 80,947.56
  4. Step 4: Simplify right side
    148,015.56x = 16,534,861,813.13
  5. Step 5: Solve for x
    x = 16,534,861,813.13/148,015.56
  6. Step 6: Final answer
    x = 111,710.29

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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.