Home / 165,724.80-248,587.20-54,916.80

Finding the Fourth Proportional to 165,724.80, 248,587.20 and 54,916.80

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Solution

The fourth proportional to 165,724.80, 248,587.20 and 54,916.80 is: 82,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.80 : 248,587.20 = 54,916.80 : x
  2. Step 2: Convert to fraction form
    165,724.80/248,587.20 = 54,916.80/x
  3. Step 3: Cross multiply
    165,724.80x = 248,587.20 × 54,916.80
  4. Step 4: Simplify right side
    165,724.80x = 13,651,613,544.96
  5. Step 5: Solve for x
    x = 13,651,613,544.96/165,724.80
  6. Step 6: Final answer
    x = 82,375.20

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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.