Home / 285,241.41-393,632.46-164,381.64

Finding the Fourth Proportional to 285,241.41, 393,632.46 and 164,381.64

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Solution

The fourth proportional to 285,241.41, 393,632.46 and 164,381.64 is: 226,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,241.41 : 393,632.46 = 164,381.64 : x
  2. Step 2: Convert to fraction form
    285,241.41/393,632.46 = 164,381.64/x
  3. Step 3: Cross multiply
    285,241.41x = 393,632.46 × 164,381.64
  4. Step 4: Simplify right side
    285,241.41x = 64,705,949,332.03
  5. Step 5: Solve for x
    x = 64,705,949,332.03/285,241.41
  6. Step 6: Final answer
    x = 226,846.27

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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.