Home / 277,828.20-383,465.61-157,039.38

Finding the Fourth Proportional to 277,828.20, 383,465.61 and 157,039.38

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Solution

The fourth proportional to 277,828.20, 383,465.61 and 157,039.38 is: 216,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,828.20 : 383,465.61 = 157,039.38 : x
  2. Step 2: Convert to fraction form
    277,828.20/383,465.61 = 157,039.38/x
  3. Step 3: Cross multiply
    277,828.20x = 383,465.61 × 157,039.38
  4. Step 4: Simplify right side
    277,828.20x = 60,219,201,645.72
  5. Step 5: Solve for x
    x = 60,219,201,645.72/277,828.20
  6. Step 6: Final answer
    x = 216,749.78

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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.