Home / 213,784.92-320,674.02-73,544.76

Finding the Fourth Proportional to 213,784.92, 320,674.02 and 73,544.76

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Solution

The fourth proportional to 213,784.92, 320,674.02 and 73,544.76 is: 110,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,784.92 : 320,674.02 = 73,544.76 : x
  2. Step 2: Convert to fraction form
    213,784.92/320,674.02 = 73,544.76/x
  3. Step 3: Cross multiply
    213,784.92x = 320,674.02 × 73,544.76
  4. Step 4: Simplify right side
    213,784.92x = 23,583,893,839.14
  5. Step 5: Solve for x
    x = 23,583,893,839.14/213,784.92
  6. Step 6: Final answer
    x = 110,315.98

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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.