Home / 271,996.55-405,261.03-256,717.32

Finding the Fourth Proportional to 271,996.55, 405,261.03 and 256,717.32

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Solution

The fourth proportional to 271,996.55, 405,261.03 and 256,717.32 is: 382,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,996.55 : 405,261.03 = 256,717.32 : x
  2. Step 2: Convert to fraction form
    271,996.55/405,261.03 = 256,717.32/x
  3. Step 3: Cross multiply
    271,996.55x = 405,261.03 × 256,717.32
  4. Step 4: Simplify right side
    271,996.55x = 104,037,525,522.04
  5. Step 5: Solve for x
    x = 104,037,525,522.04/271,996.55
  6. Step 6: Final answer
    x = 382,495.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.