Home / 277,902.08-383,512-170,531.44

Finding the Fourth Proportional to 277,902.08, 383,512 and 170,531.44

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Solution

The fourth proportional to 277,902.08, 383,512 and 170,531.44 is: 235,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,902.08 : 383,512 = 170,531.44 : x
  2. Step 2: Convert to fraction form
    277,902.08/383,512 = 170,531.44/x
  3. Step 3: Cross multiply
    277,902.08x = 383,512 × 170,531.44
  4. Step 4: Simplify right side
    277,902.08x = 65,400,853,617.28
  5. Step 5: Solve for x
    x = 65,400,853,617.28/277,902.08
  6. Step 6: Final answer
    x = 235,337.76

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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.