Home / 285,036.48-393,178.96-188,241.23

Finding the Fourth Proportional to 285,036.48, 393,178.96 and 188,241.23

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Solution

The fourth proportional to 285,036.48, 393,178.96 and 188,241.23 is: 259,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,036.48 : 393,178.96 = 188,241.23 : x
  2. Step 2: Convert to fraction form
    285,036.48/393,178.96 = 188,241.23/x
  3. Step 3: Cross multiply
    285,036.48x = 393,178.96 × 188,241.23
  4. Step 4: Simplify right side
    285,036.48x = 74,012,491,040.52
  5. Step 5: Solve for x
    x = 74,012,491,040.52/285,036.48
  6. Step 6: Final answer
    x = 259,659.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.