Home / 308,932.20-463,398.30-190,218.60

Finding the Fourth Proportional to 308,932.20, 463,398.30 and 190,218.60

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Solution

The fourth proportional to 308,932.20, 463,398.30 and 190,218.60 is: 285,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,932.20 : 463,398.30 = 190,218.60 : x
  2. Step 2: Convert to fraction form
    308,932.20/463,398.30 = 190,218.60/x
  3. Step 3: Cross multiply
    308,932.20x = 463,398.30 × 190,218.60
  4. Step 4: Simplify right side
    308,932.20x = 88,146,975,868.38
  5. Step 5: Solve for x
    x = 88,146,975,868.38/308,932.20
  6. Step 6: Final answer
    x = 285,327.90

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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.