Home / 211,015.82-316,524.30-53,244.26

Finding the Fourth Proportional to 211,015.82, 316,524.30 and 53,244.26

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Solution

The fourth proportional to 211,015.82, 316,524.30 and 53,244.26 is: 79,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,015.82 : 316,524.30 = 53,244.26 : x
  2. Step 2: Convert to fraction form
    211,015.82/316,524.30 = 53,244.26/x
  3. Step 3: Cross multiply
    211,015.82x = 316,524.30 × 53,244.26
  4. Step 4: Simplify right side
    211,015.82x = 16,853,102,125.52
  5. Step 5: Solve for x
    x = 16,853,102,125.52/211,015.82
  6. Step 6: Final answer
    x = 79,866.53

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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.