Home / 281,774.42-388,195.17-196,756.82

Finding the Fourth Proportional to 281,774.42, 388,195.17 and 196,756.82

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Solution

The fourth proportional to 281,774.42, 388,195.17 and 196,756.82 is: 271,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,774.42 : 388,195.17 = 196,756.82 : x
  2. Step 2: Convert to fraction form
    281,774.42/388,195.17 = 196,756.82/x
  3. Step 3: Cross multiply
    281,774.42x = 388,195.17 × 196,756.82
  4. Step 4: Simplify right side
    281,774.42x = 76,380,047,188.56
  5. Step 5: Solve for x
    x = 76,380,047,188.56/281,774.42
  6. Step 6: Final answer
    x = 271,068.07

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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.