Home / 215,100.09-296,840.03-119,610.81

Finding the Fourth Proportional to 215,100.09, 296,840.03 and 119,610.81

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Solution

The fourth proportional to 215,100.09, 296,840.03 and 119,610.81 is: 165,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100.09 : 296,840.03 = 119,610.81 : x
  2. Step 2: Convert to fraction form
    215,100.09/296,840.03 = 119,610.81/x
  3. Step 3: Cross multiply
    215,100.09x = 296,840.03 × 119,610.81
  4. Step 4: Simplify right side
    215,100.09x = 35,505,275,830.67
  5. Step 5: Solve for x
    x = 35,505,275,830.67/215,100.09
  6. Step 6: Final answer
    x = 165,063.97

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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.