Home / 171,631.26-257,268.15-57,694.50

Finding the Fourth Proportional to 171,631.26, 257,268.15 and 57,694.50

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Solution

The fourth proportional to 171,631.26, 257,268.15 and 57,694.50 is: 86,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,631.26 : 257,268.15 = 57,694.50 : x
  2. Step 2: Convert to fraction form
    171,631.26/257,268.15 = 57,694.50/x
  3. Step 3: Cross multiply
    171,631.26x = 257,268.15 × 57,694.50
  4. Step 4: Simplify right side
    171,631.26x = 14,842,957,280.18
  5. Step 5: Solve for x
    x = 14,842,957,280.18/171,631.26
  6. Step 6: Final answer
    x = 86,481.67

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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.