Home / 271,996.05-405,260.28-256,716.82

Finding the Fourth Proportional to 271,996.05, 405,260.28 and 256,716.82

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Solution

The fourth proportional to 271,996.05, 405,260.28 and 256,716.82 is: 382,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,996.05 : 405,260.28 = 256,716.82 : x
  2. Step 2: Convert to fraction form
    271,996.05/405,260.28 = 256,716.82/x
  3. Step 3: Cross multiply
    271,996.05x = 405,260.28 × 256,716.82
  4. Step 4: Simplify right side
    271,996.05x = 104,037,130,353.91
  5. Step 5: Solve for x
    x = 104,037,130,353.91/271,996.05
  6. Step 6: Final answer
    x = 382,495.00

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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.