Home / 207,506.62-311,357.14-102,268.18

Finding the Fourth Proportional to 207,506.62, 311,357.14 and 102,268.18

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Solution

The fourth proportional to 207,506.62, 311,357.14 and 102,268.18 is: 153,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,506.62 : 311,357.14 = 102,268.18 : x
  2. Step 2: Convert to fraction form
    207,506.62/311,357.14 = 102,268.18/x
  3. Step 3: Cross multiply
    207,506.62x = 311,357.14 × 102,268.18
  4. Step 4: Simplify right side
    207,506.62x = 31,841,928,037.81
  5. Step 5: Solve for x
    x = 31,841,928,037.81/207,506.62
  6. Step 6: Final answer
    x = 153,450.18

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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.