Home / 214,820.40-296,385.42-124,143.33

Finding the Fourth Proportional to 214,820.40, 296,385.42 and 124,143.33

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Solution

The fourth proportional to 214,820.40, 296,385.42 and 124,143.33 is: 171,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,820.40 : 296,385.42 = 124,143.33 : x
  2. Step 2: Convert to fraction form
    214,820.40/296,385.42 = 124,143.33/x
  3. Step 3: Cross multiply
    214,820.40x = 296,385.42 × 124,143.33
  4. Step 4: Simplify right side
    214,820.40x = 36,794,273,002.25
  5. Step 5: Solve for x
    x = 36,794,273,002.25/214,820.40
  6. Step 6: Final answer
    x = 171,279.23

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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.