Home / 207,849.12-311,696.76-74,693.52

Finding the Fourth Proportional to 207,849.12, 311,696.76 and 74,693.52

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Solution

The fourth proportional to 207,849.12, 311,696.76 and 74,693.52 is: 112,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,849.12 : 311,696.76 = 74,693.52 : x
  2. Step 2: Convert to fraction form
    207,849.12/311,696.76 = 74,693.52/x
  3. Step 3: Cross multiply
    207,849.12x = 311,696.76 × 74,693.52
  4. Step 4: Simplify right side
    207,849.12x = 23,281,728,177.00
  5. Step 5: Solve for x
    x = 23,281,728,177.00/207,849.12
  6. Step 6: Final answer
    x = 112,012.64

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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.