Home / 148,015.25-204,265.91-80,947.25

Finding the Fourth Proportional to 148,015.25, 204,265.91 and 80,947.25

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Solution

The fourth proportional to 148,015.25, 204,265.91 and 80,947.25 is: 111,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,015.25 : 204,265.91 = 80,947.25 : x
  2. Step 2: Convert to fraction form
    148,015.25/204,265.91 = 80,947.25/x
  3. Step 3: Cross multiply
    148,015.25x = 204,265.91 × 80,947.25
  4. Step 4: Simplify right side
    148,015.25x = 16,534,763,278.51
  5. Step 5: Solve for x
    x = 16,534,763,278.51/148,015.25
  6. Step 6: Final answer
    x = 111,709.86

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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.