Home / 213,846.06-320,756.64-56,074.47

Finding the Fourth Proportional to 213,846.06, 320,756.64 and 56,074.47

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Solution

The fourth proportional to 213,846.06, 320,756.64 and 56,074.47 is: 84,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,846.06 : 320,756.64 = 56,074.47 : x
  2. Step 2: Convert to fraction form
    213,846.06/320,756.64 = 56,074.47/x
  3. Step 3: Cross multiply
    213,846.06x = 320,756.64 × 56,074.47
  4. Step 4: Simplify right side
    213,846.06x = 17,986,258,586.98
  5. Step 5: Solve for x
    x = 17,986,258,586.98/213,846.06
  6. Step 6: Final answer
    x = 84,108.44

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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.