Home / 271,977.12-407,620.20-153,714.96

Finding the Fourth Proportional to 271,977.12, 407,620.20 and 153,714.96

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Solution

The fourth proportional to 271,977.12, 407,620.20 and 153,714.96 is: 230,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,977.12 : 407,620.20 = 153,714.96 : x
  2. Step 2: Convert to fraction form
    271,977.12/407,620.20 = 153,714.96/x
  3. Step 3: Cross multiply
    271,977.12x = 407,620.20 × 153,714.96
  4. Step 4: Simplify right side
    271,977.12x = 62,657,322,738.19
  5. Step 5: Solve for x
    x = 62,657,322,738.19/271,977.12
  6. Step 6: Final answer
    x = 230,377.18

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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.