Home / 211,875.56-317,813.85-51,952.19

Finding the Fourth Proportional to 211,875.56, 317,813.85 and 51,952.19

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Solution

The fourth proportional to 211,875.56, 317,813.85 and 51,952.19 is: 77,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,875.56 : 317,813.85 = 51,952.19 : x
  2. Step 2: Convert to fraction form
    211,875.56/317,813.85 = 51,952.19/x
  3. Step 3: Cross multiply
    211,875.56x = 317,813.85 × 51,952.19
  4. Step 4: Simplify right side
    211,875.56x = 16,511,126,314.37
  5. Step 5: Solve for x
    x = 16,511,126,314.37/211,875.56
  6. Step 6: Final answer
    x = 77,928.42

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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.