Home / 285,054.24-393,334.56-157,729.44

Finding the Fourth Proportional to 285,054.24, 393,334.56 and 157,729.44

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Solution

The fourth proportional to 285,054.24, 393,334.56 and 157,729.44 is: 217,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,054.24 : 393,334.56 = 157,729.44 : x
  2. Step 2: Convert to fraction form
    285,054.24/393,334.56 = 157,729.44/x
  3. Step 3: Cross multiply
    285,054.24x = 393,334.56 × 157,729.44
  4. Step 4: Simplify right side
    285,054.24x = 62,040,439,881.45
  5. Step 5: Solve for x
    x = 62,040,439,881.45/285,054.24
  6. Step 6: Final answer
    x = 217,644.33

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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.