Home / 285,147.06-393,601.26-164,336.58

Finding the Fourth Proportional to 285,147.06, 393,601.26 and 164,336.58

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Solution

The fourth proportional to 285,147.06, 393,601.26 and 164,336.58 is: 226,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,147.06 : 393,601.26 = 164,336.58 : x
  2. Step 2: Convert to fraction form
    285,147.06/393,601.26 = 164,336.58/x
  3. Step 3: Cross multiply
    285,147.06x = 393,601.26 × 164,336.58
  4. Step 4: Simplify right side
    285,147.06x = 64,683,084,952.09
  5. Step 5: Solve for x
    x = 64,683,084,952.09/285,147.06
  6. Step 6: Final answer
    x = 226,841.14

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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.