Home / 165,604.20-248,282.64-53,220.30

Finding the Fourth Proportional to 165,604.20, 248,282.64 and 53,220.30

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Solution

The fourth proportional to 165,604.20, 248,282.64 and 53,220.30 is: 79,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,604.20 : 248,282.64 = 53,220.30 : x
  2. Step 2: Convert to fraction form
    165,604.20/248,282.64 = 53,220.30/x
  3. Step 3: Cross multiply
    165,604.20x = 248,282.64 × 53,220.30
  4. Step 4: Simplify right side
    165,604.20x = 13,213,676,585.59
  5. Step 5: Solve for x
    x = 13,213,676,585.59/165,604.20
  6. Step 6: Final answer
    x = 79,790.71

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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.