Home / 277,986.08-383,621.40-150,661.64

Finding the Fourth Proportional to 277,986.08, 383,621.40 and 150,661.64

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Solution

The fourth proportional to 277,986.08, 383,621.40 and 150,661.64 is: 207,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,986.08 : 383,621.40 = 150,661.64 : x
  2. Step 2: Convert to fraction form
    277,986.08/383,621.40 = 150,661.64/x
  3. Step 3: Cross multiply
    277,986.08x = 383,621.40 × 150,661.64
  4. Step 4: Simplify right side
    277,986.08x = 57,797,029,263.10
  5. Step 5: Solve for x
    x = 57,797,029,263.10/277,986.08
  6. Step 6: Final answer
    x = 207,913.39

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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.