Home / 308,076.20-461,336.70-202,322.60

Finding the Fourth Proportional to 308,076.20, 461,336.70 and 202,322.60

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Solution

The fourth proportional to 308,076.20, 461,336.70 and 202,322.60 is: 302,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,076.20 : 461,336.70 = 202,322.60 : x
  2. Step 2: Convert to fraction form
    308,076.20/461,336.70 = 202,322.60/x
  3. Step 3: Cross multiply
    308,076.20x = 461,336.70 × 202,322.60
  4. Step 4: Simplify right side
    308,076.20x = 93,338,840,619.42
  5. Step 5: Solve for x
    x = 93,338,840,619.42/308,076.20
  6. Step 6: Final answer
    x = 302,973.23

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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.