Home / 190,861.24-263,636.40-145,262.20

Finding the Fourth Proportional to 190,861.24, 263,636.40 and 145,262.20

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Solution

The fourth proportional to 190,861.24, 263,636.40 and 145,262.20 is: 200,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,861.24 : 263,636.40 = 145,262.20 : x
  2. Step 2: Convert to fraction form
    190,861.24/263,636.40 = 145,262.20/x
  3. Step 3: Cross multiply
    190,861.24x = 263,636.40 × 145,262.20
  4. Step 4: Simplify right side
    190,861.24x = 38,296,403,464.08
  5. Step 5: Solve for x
    x = 38,296,403,464.08/190,861.24
  6. Step 6: Final answer
    x = 200,650.50

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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.