Home / 211,826.10-317,739-54,054.58

Finding the Fourth Proportional to 211,826.10, 317,739 and 54,054.58

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Solution

The fourth proportional to 211,826.10, 317,739 and 54,054.58 is: 81,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,826.10 : 317,739 = 54,054.58 : x
  2. Step 2: Convert to fraction form
    211,826.10/317,739 = 54,054.58/x
  3. Step 3: Cross multiply
    211,826.10x = 317,739 × 54,054.58
  4. Step 4: Simplify right side
    211,826.10x = 17,175,248,194.62
  5. Step 5: Solve for x
    x = 17,175,248,194.62/211,826.10
  6. Step 6: Final answer
    x = 81,081.83

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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.