Home / 200,440.59-276,596.20-109,778.50

Finding the Fourth Proportional to 200,440.59, 276,596.20 and 109,778.50

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Solution

The fourth proportional to 200,440.59, 276,596.20 and 109,778.50 is: 151,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,440.59 : 276,596.20 = 109,778.50 : x
  2. Step 2: Convert to fraction form
    200,440.59/276,596.20 = 109,778.50/x
  3. Step 3: Cross multiply
    200,440.59x = 276,596.20 × 109,778.50
  4. Step 4: Simplify right side
    200,440.59x = 30,364,315,941.70
  5. Step 5: Solve for x
    x = 30,364,315,941.70/200,440.59
  6. Step 6: Final answer
    x = 151,487.86

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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.