Home / 277,905.88-383,642.34-186,183.10

Finding the Fourth Proportional to 277,905.88, 383,642.34 and 186,183.10

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Solution

The fourth proportional to 277,905.88, 383,642.34 and 186,183.10 is: 257,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,905.88 : 383,642.34 = 186,183.10 : x
  2. Step 2: Convert to fraction form
    277,905.88/383,642.34 = 186,183.10/x
  3. Step 3: Cross multiply
    277,905.88x = 383,642.34 × 186,183.10
  4. Step 4: Simplify right side
    277,905.88x = 71,427,720,152.45
  5. Step 5: Solve for x
    x = 71,427,720,152.45/277,905.88
  6. Step 6: Final answer
    x = 257,021.26

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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.