Home / 190,750.24-263,230.32-105,865.12

Finding the Fourth Proportional to 190,750.24, 263,230.32 and 105,865.12

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Solution

The fourth proportional to 190,750.24, 263,230.32 and 105,865.12 is: 146,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,750.24 : 263,230.32 = 105,865.12 : x
  2. Step 2: Convert to fraction form
    190,750.24/263,230.32 = 105,865.12/x
  3. Step 3: Cross multiply
    190,750.24x = 263,230.32 × 105,865.12
  4. Step 4: Simplify right side
    190,750.24x = 27,866,909,414.44
  5. Step 5: Solve for x
    x = 27,866,909,414.44/190,750.24
  6. Step 6: Final answer
    x = 146,091.08

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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.