Home / 285,147.16-393,590.78-164,369.23

Finding the Fourth Proportional to 285,147.16, 393,590.78 and 164,369.23

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Solution

The fourth proportional to 285,147.16, 393,590.78 and 164,369.23 is: 226,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,147.16 : 393,590.78 = 164,369.23 : x
  2. Step 2: Convert to fraction form
    285,147.16/393,590.78 = 164,369.23/x
  3. Step 3: Cross multiply
    285,147.16x = 393,590.78 × 164,369.23
  4. Step 4: Simplify right side
    285,147.16x = 64,694,213,443.70
  5. Step 5: Solve for x
    x = 64,694,213,443.70/285,147.16
  6. Step 6: Final answer
    x = 226,880.09

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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.