Home / 171,964.20-257,946.30-53,635.35

Finding the Fourth Proportional to 171,964.20, 257,946.30 and 53,635.35

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Solution

The fourth proportional to 171,964.20, 257,946.30 and 53,635.35 is: 80,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,964.20 : 257,946.30 = 53,635.35 : x
  2. Step 2: Convert to fraction form
    171,964.20/257,946.30 = 53,635.35/x
  3. Step 3: Cross multiply
    171,964.20x = 257,946.30 × 53,635.35
  4. Step 4: Simplify right side
    171,964.20x = 13,835,040,081.71
  5. Step 5: Solve for x
    x = 13,835,040,081.71/171,964.20
  6. Step 6: Final answer
    x = 80,453.03

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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.