Home / 271,828.68-407,650.64-103,308.45

Finding the Fourth Proportional to 271,828.68, 407,650.64 and 103,308.45

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Solution

The fourth proportional to 271,828.68, 407,650.64 and 103,308.45 is: 154,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,828.68 : 407,650.64 = 103,308.45 : x
  2. Step 2: Convert to fraction form
    271,828.68/407,650.64 = 103,308.45/x
  3. Step 3: Cross multiply
    271,828.68x = 407,650.64 × 103,308.45
  4. Step 4: Simplify right side
    271,828.68x = 42,113,755,243.37
  5. Step 5: Solve for x
    x = 42,113,755,243.37/271,828.68
  6. Step 6: Final answer
    x = 154,927.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.