Home / 277,729.92-383,305.44-170,280.96

Finding the Fourth Proportional to 277,729.92, 383,305.44 and 170,280.96

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Solution

The fourth proportional to 277,729.92, 383,305.44 and 170,280.96 is: 235,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,729.92 : 383,305.44 = 170,280.96 : x
  2. Step 2: Convert to fraction form
    277,729.92/383,305.44 = 170,280.96/x
  3. Step 3: Cross multiply
    277,729.92x = 383,305.44 × 170,280.96
  4. Step 4: Simplify right side
    277,729.92x = 65,269,618,296.42
  5. Step 5: Solve for x
    x = 65,269,618,296.42/277,729.92
  6. Step 6: Final answer
    x = 235,011.12

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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.