Home / 121,808.10-182,712.15-33,072.60

Finding the Fourth Proportional to 121,808.10, 182,712.15 and 33,072.60

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Solution

The fourth proportional to 121,808.10, 182,712.15 and 33,072.60 is: 49,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,808.10 : 182,712.15 = 33,072.60 : x
  2. Step 2: Convert to fraction form
    121,808.10/182,712.15 = 33,072.60/x
  3. Step 3: Cross multiply
    121,808.10x = 182,712.15 × 33,072.60
  4. Step 4: Simplify right side
    121,808.10x = 6,042,765,852.09
  5. Step 5: Solve for x
    x = 6,042,765,852.09/121,808.10
  6. Step 6: Final answer
    x = 49,608.90

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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.