Home / 180,249.06-248,762.38-103,770.86

Finding the Fourth Proportional to 180,249.06, 248,762.38 and 103,770.86

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Solution

The fourth proportional to 180,249.06, 248,762.38 and 103,770.86 is: 143,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,249.06 : 248,762.38 = 103,770.86 : x
  2. Step 2: Convert to fraction form
    180,249.06/248,762.38 = 103,770.86/x
  3. Step 3: Cross multiply
    180,249.06x = 248,762.38 × 103,770.86
  4. Step 4: Simplify right side
    180,249.06x = 25,814,286,108.25
  5. Step 5: Solve for x
    x = 25,814,286,108.25/180,249.06
  6. Step 6: Final answer
    x = 143,214.54

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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.