Home / 214,805.49-296,364.86-124,128.42

Finding the Fourth Proportional to 214,805.49, 296,364.86 and 124,128.42

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Solution

The fourth proportional to 214,805.49, 296,364.86 and 124,128.42 is: 171,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,805.49 : 296,364.86 = 124,128.42 : x
  2. Step 2: Convert to fraction form
    214,805.49/296,364.86 = 124,128.42/x
  3. Step 3: Cross multiply
    214,805.49x = 296,364.86 × 124,128.42
  4. Step 4: Simplify right side
    214,805.49x = 36,787,303,469.75
  5. Step 5: Solve for x
    x = 36,787,303,469.75/214,805.49
  6. Step 6: Final answer
    x = 171,258.67

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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.