Home / 286,534.06-395,393.84-165,683.16

Finding the Fourth Proportional to 286,534.06, 395,393.84 and 165,683.16

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Solution

The fourth proportional to 286,534.06, 395,393.84 and 165,683.16 is: 228,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,534.06 : 395,393.84 = 165,683.16 : x
  2. Step 2: Convert to fraction form
    286,534.06/395,393.84 = 165,683.16/x
  3. Step 3: Cross multiply
    286,534.06x = 395,393.84 × 165,683.16
  4. Step 4: Simplify right side
    286,534.06x = 65,510,100,855.73
  5. Step 5: Solve for x
    x = 65,510,100,855.73/286,534.06
  6. Step 6: Final answer
    x = 228,629.37

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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.