Home / 190,741.24-263,217.90-105,856.12

Finding the Fourth Proportional to 190,741.24, 263,217.90 and 105,856.12

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Solution

The fourth proportional to 190,741.24, 263,217.90 and 105,856.12 is: 146,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,741.24 : 263,217.90 = 105,856.12 : x
  2. Step 2: Convert to fraction form
    190,741.24/263,217.90 = 105,856.12/x
  3. Step 3: Cross multiply
    190,741.24x = 263,217.90 × 105,856.12
  4. Step 4: Simplify right side
    190,741.24x = 27,863,225,608.55
  5. Step 5: Solve for x
    x = 27,863,225,608.55/190,741.24
  6. Step 6: Final answer
    x = 146,078.66

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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.