Home / 277,822.82-383,376.56-156,969.20

Finding the Fourth Proportional to 277,822.82, 383,376.56 and 156,969.20

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Solution

The fourth proportional to 277,822.82, 383,376.56 and 156,969.20 is: 216,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,822.82 : 383,376.56 = 156,969.20 : x
  2. Step 2: Convert to fraction form
    277,822.82/383,376.56 = 156,969.20/x
  3. Step 3: Cross multiply
    277,822.82x = 383,376.56 × 156,969.20
  4. Step 4: Simplify right side
    277,822.82x = 60,178,311,921.95
  5. Step 5: Solve for x
    x = 60,178,311,921.95/277,822.82
  6. Step 6: Final answer
    x = 216,606.80

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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.