Home / 165,634.80-248,452.20-54,812.40

Finding the Fourth Proportional to 165,634.80, 248,452.20 and 54,812.40

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Solution

The fourth proportional to 165,634.80, 248,452.20 and 54,812.40 is: 82,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,634.80 : 248,452.20 = 54,812.40 : x
  2. Step 2: Convert to fraction form
    165,634.80/248,452.20 = 54,812.40/x
  3. Step 3: Cross multiply
    165,634.80x = 248,452.20 × 54,812.40
  4. Step 4: Simplify right side
    165,634.80x = 13,618,261,367.28
  5. Step 5: Solve for x
    x = 13,618,261,367.28/165,634.80
  6. Step 6: Final answer
    x = 82,218.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.