Home / 231,791.02-347,715.69-81,996.10

Finding the Fourth Proportional to 231,791.02, 347,715.69 and 81,996.10

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Solution

The fourth proportional to 231,791.02, 347,715.69 and 81,996.10 is: 123,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,791.02 : 347,715.69 = 81,996.10 : x
  2. Step 2: Convert to fraction form
    231,791.02/347,715.69 = 81,996.10/x
  3. Step 3: Cross multiply
    231,791.02x = 347,715.69 × 81,996.10
  4. Step 4: Simplify right side
    231,791.02x = 28,511,330,488.81
  5. Step 5: Solve for x
    x = 28,511,330,488.81/231,791.02
  6. Step 6: Final answer
    x = 123,004.47

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1.5x scale

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.