Home / 271,444.02-407,026.86-143,429.04

Finding the Fourth Proportional to 271,444.02, 407,026.86 and 143,429.04

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Solution

The fourth proportional to 271,444.02, 407,026.86 and 143,429.04 is: 215,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,444.02 : 407,026.86 = 143,429.04 : x
  2. Step 2: Convert to fraction form
    271,444.02/407,026.86 = 143,429.04/x
  3. Step 3: Cross multiply
    271,444.02x = 407,026.86 × 143,429.04
  4. Step 4: Simplify right side
    271,444.02x = 58,379,471,784.01
  5. Step 5: Solve for x
    x = 58,379,471,784.01/271,444.02
  6. Step 6: Final answer
    x = 215,070.02

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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.