Home / 180,481.86-248,884.31-120,055.05

Finding the Fourth Proportional to 180,481.86, 248,884.31 and 120,055.05

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Solution

The fourth proportional to 180,481.86, 248,884.31 and 120,055.05 is: 165,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,481.86 : 248,884.31 = 120,055.05 : x
  2. Step 2: Convert to fraction form
    180,481.86/248,884.31 = 120,055.05/x
  3. Step 3: Cross multiply
    180,481.86x = 248,884.31 × 120,055.05
  4. Step 4: Simplify right side
    180,481.86x = 29,879,818,581.40
  5. Step 5: Solve for x
    x = 29,879,818,581.40/180,481.86
  6. Step 6: Final answer
    x = 165,555.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.