Home / 214,640.16-296,189.40-119,146.80

Finding the Fourth Proportional to 214,640.16, 296,189.40 and 119,146.80

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Solution

The fourth proportional to 214,640.16, 296,189.40 and 119,146.80 is: 164,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,640.16 : 296,189.40 = 119,146.80 : x
  2. Step 2: Convert to fraction form
    214,640.16/296,189.40 = 119,146.80/x
  3. Step 3: Cross multiply
    214,640.16x = 296,189.40 × 119,146.80
  4. Step 4: Simplify right side
    214,640.16x = 35,290,019,203.92
  5. Step 5: Solve for x
    x = 35,290,019,203.92/214,640.16
  6. Step 6: Final answer
    x = 164,414.80

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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.