Home / 190,856.88-263,383.08-105,974.16

Finding the Fourth Proportional to 190,856.88, 263,383.08 and 105,974.16

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Solution

The fourth proportional to 190,856.88, 263,383.08 and 105,974.16 is: 146,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,856.88 : 263,383.08 = 105,974.16 : x
  2. Step 2: Convert to fraction form
    190,856.88/263,383.08 = 105,974.16/x
  3. Step 3: Cross multiply
    190,856.88x = 263,383.08 × 105,974.16
  4. Step 4: Simplify right side
    190,856.88x = 27,911,800,661.21
  5. Step 5: Solve for x
    x = 27,911,800,661.21/190,856.88
  6. Step 6: Final answer
    x = 146,244.67

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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.