Home / 165,785.10-248,616.90-53,494.80

Finding the Fourth Proportional to 165,785.10, 248,616.90 and 53,494.80

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Solution

The fourth proportional to 165,785.10, 248,616.90 and 53,494.80 is: 80,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785.10 : 248,616.90 = 53,494.80 : x
  2. Step 2: Convert to fraction form
    165,785.10/248,616.90 = 53,494.80/x
  3. Step 3: Cross multiply
    165,785.10x = 248,616.90 × 53,494.80
  4. Step 4: Simplify right side
    165,785.10x = 13,299,711,342.12
  5. Step 5: Solve for x
    x = 13,299,711,342.12/165,785.10
  6. Step 6: Final answer
    x = 80,222.60

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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.