Home / 121,025.76-181,538.61-36,786.60

Finding the Fourth Proportional to 121,025.76, 181,538.61 and 36,786.60

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Solution

The fourth proportional to 121,025.76, 181,538.61 and 36,786.60 is: 55,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025.76 : 181,538.61 = 36,786.60 : x
  2. Step 2: Convert to fraction form
    121,025.76/181,538.61 = 36,786.60/x
  3. Step 3: Cross multiply
    121,025.76x = 181,538.61 × 36,786.60
  4. Step 4: Simplify right side
    121,025.76x = 6,678,188,230.63
  5. Step 5: Solve for x
    x = 6,678,188,230.63/121,025.76
  6. Step 6: Final answer
    x = 55,179.89

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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.