Home / 286,590.34-395,077.83-200,281.37

Finding the Fourth Proportional to 286,590.34, 395,077.83 and 200,281.37

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Solution

The fourth proportional to 286,590.34, 395,077.83 and 200,281.37 is: 276,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,590.34 : 395,077.83 = 200,281.37 : x
  2. Step 2: Convert to fraction form
    286,590.34/395,077.83 = 200,281.37/x
  3. Step 3: Cross multiply
    286,590.34x = 395,077.83 × 200,281.37
  4. Step 4: Simplify right side
    286,590.34x = 79,126,729,049.03
  5. Step 5: Solve for x
    x = 79,126,729,049.03/286,590.34
  6. Step 6: Final answer
    x = 276,096.99

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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.