Home / 455,431.22-683,149.16-189,192.03

Finding the Fourth Proportional to 455,431.22, 683,149.16 and 189,192.03

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Solution

The fourth proportional to 455,431.22, 683,149.16 and 189,192.03 is: 283,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,431.22 : 683,149.16 = 189,192.03 : x
  2. Step 2: Convert to fraction form
    455,431.22/683,149.16 = 189,192.03/x
  3. Step 3: Cross multiply
    455,431.22x = 683,149.16 × 189,192.03
  4. Step 4: Simplify right side
    455,431.22x = 129,246,376,373.20
  5. Step 5: Solve for x
    x = 129,246,376,373.20/455,431.22
  6. Step 6: Final answer
    x = 283,789.01

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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.