Home / 147,924.75-204,136.16-80,856.75

Finding the Fourth Proportional to 147,924.75, 204,136.16 and 80,856.75

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Solution

The fourth proportional to 147,924.75, 204,136.16 and 80,856.75 is: 111,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,924.75 : 204,136.16 = 80,856.75 : x
  2. Step 2: Convert to fraction form
    147,924.75/204,136.16 = 80,856.75/x
  3. Step 3: Cross multiply
    147,924.75x = 204,136.16 × 80,856.75
  4. Step 4: Simplify right side
    147,924.75x = 16,505,786,050.80
  5. Step 5: Solve for x
    x = 16,505,786,050.80/147,924.75
  6. Step 6: Final answer
    x = 111,582.32

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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.