Home / 121,036.20-181,578.60-36,801.60

Finding the Fourth Proportional to 121,036.20, 181,578.60 and 36,801.60

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Solution

The fourth proportional to 121,036.20, 181,578.60 and 36,801.60 is: 55,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,036.20 : 181,578.60 = 36,801.60 : x
  2. Step 2: Convert to fraction form
    121,036.20/181,578.60 = 36,801.60/x
  3. Step 3: Cross multiply
    121,036.20x = 181,578.60 × 36,801.60
  4. Step 4: Simplify right side
    121,036.20x = 6,682,383,005.76
  5. Step 5: Solve for x
    x = 6,682,383,005.76/121,036.20
  6. Step 6: Final answer
    x = 55,209.79

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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.