Home / 277,861.49-383,511.74-157,072.87

Finding the Fourth Proportional to 277,861.49, 383,511.74 and 157,072.87

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Solution

The fourth proportional to 277,861.49, 383,511.74 and 157,072.87 is: 216,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,861.49 : 383,511.74 = 157,072.87 : x
  2. Step 2: Convert to fraction form
    277,861.49/383,511.74 = 157,072.87/x
  3. Step 3: Cross multiply
    277,861.49x = 383,511.74 × 157,072.87
  4. Step 4: Simplify right side
    277,861.49x = 60,239,287,936.35
  5. Step 5: Solve for x
    x = 60,239,287,936.35/277,861.49
  6. Step 6: Final answer
    x = 216,796.11

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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.