Home / 277,616.28-383,110.44-155,108.69

Finding the Fourth Proportional to 277,616.28, 383,110.44 and 155,108.69

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Solution

The fourth proportional to 277,616.28, 383,110.44 and 155,108.69 is: 214,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,616.28 : 383,110.44 = 155,108.69 : x
  2. Step 2: Convert to fraction form
    277,616.28/383,110.44 = 155,108.69/x
  3. Step 3: Cross multiply
    277,616.28x = 383,110.44 × 155,108.69
  4. Step 4: Simplify right side
    277,616.28x = 59,423,756,558.17
  5. Step 5: Solve for x
    x = 59,423,756,558.17/277,616.28
  6. Step 6: Final answer
    x = 214,049.97

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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.