Home / 211,541.62-317,308.33-51,618.59

Finding the Fourth Proportional to 211,541.62, 317,308.33 and 51,618.59

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Solution

The fourth proportional to 211,541.62, 317,308.33 and 51,618.59 is: 77,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.62 : 317,308.33 = 51,618.59 : x
  2. Step 2: Convert to fraction form
    211,541.62/317,308.33 = 51,618.59/x
  3. Step 3: Cross multiply
    211,541.62x = 317,308.33 × 51,618.59
  4. Step 4: Simplify right side
    211,541.62x = 16,379,009,447.65
  5. Step 5: Solve for x
    x = 16,379,009,447.65/211,541.62
  6. Step 6: Final answer
    x = 77,426.89

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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.