Home / 211,846.29-317,780.37-54,076.11

Finding the Fourth Proportional to 211,846.29, 317,780.37 and 54,076.11

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Solution

The fourth proportional to 211,846.29, 317,780.37 and 54,076.11 is: 81,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,846.29 : 317,780.37 = 54,076.11 : x
  2. Step 2: Convert to fraction form
    211,846.29/317,780.37 = 54,076.11/x
  3. Step 3: Cross multiply
    211,846.29x = 317,780.37 × 54,076.11
  4. Step 4: Simplify right side
    211,846.29x = 17,184,326,243.96
  5. Step 5: Solve for x
    x = 17,184,326,243.96/211,846.29
  6. Step 6: Final answer
    x = 81,116.96

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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.