Home / 202,824.23-304,286.15-69,706.40

Finding the Fourth Proportional to 202,824.23, 304,286.15 and 69,706.40

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Solution

The fourth proportional to 202,824.23, 304,286.15 and 69,706.40 is: 104,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,824.23 : 304,286.15 = 69,706.40 : x
  2. Step 2: Convert to fraction form
    202,824.23/304,286.15 = 69,706.40/x
  3. Step 3: Cross multiply
    202,824.23x = 304,286.15 × 69,706.40
  4. Step 4: Simplify right side
    202,824.23x = 21,210,690,739.20
  5. Step 5: Solve for x
    x = 21,210,690,739.20/202,824.23
  6. Step 6: Final answer
    x = 104,576.71

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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.