Home / 214,674.72-296,245.35-128,682.28

Finding the Fourth Proportional to 214,674.72, 296,245.35 and 128,682.28

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Solution

The fourth proportional to 214,674.72, 296,245.35 and 128,682.28 is: 177,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,674.72 : 296,245.35 = 128,682.28 : x
  2. Step 2: Convert to fraction form
    214,674.72/296,245.35 = 128,682.28/x
  3. Step 3: Cross multiply
    214,674.72x = 296,245.35 × 128,682.28
  4. Step 4: Simplify right side
    214,674.72x = 38,121,527,077.40
  5. Step 5: Solve for x
    x = 38,121,527,077.40/214,674.72
  6. Step 6: Final answer
    x = 177,578.09

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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.