Home / 271,961.14-407,746.31-127,785.66

Finding the Fourth Proportional to 271,961.14, 407,746.31 and 127,785.66

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Solution

The fourth proportional to 271,961.14, 407,746.31 and 127,785.66 is: 191,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,961.14 : 407,746.31 = 127,785.66 : x
  2. Step 2: Convert to fraction form
    271,961.14/407,746.31 = 127,785.66/x
  3. Step 3: Cross multiply
    271,961.14x = 407,746.31 × 127,785.66
  4. Step 4: Simplify right side
    271,961.14x = 52,104,130,696.99
  5. Step 5: Solve for x
    x = 52,104,130,696.99/271,961.14
  6. Step 6: Final answer
    x = 191,586.68

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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.