Home / 217,514.76-300,169.05-126,863.61

Finding the Fourth Proportional to 217,514.76, 300,169.05 and 126,863.61

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Solution

The fourth proportional to 217,514.76, 300,169.05 and 126,863.61 is: 175,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,514.76 : 300,169.05 = 126,863.61 : x
  2. Step 2: Convert to fraction form
    217,514.76/300,169.05 = 126,863.61/x
  3. Step 3: Cross multiply
    217,514.76x = 300,169.05 × 126,863.61
  4. Step 4: Simplify right side
    217,514.76x = 38,080,529,293.27
  5. Step 5: Solve for x
    x = 38,080,529,293.27/217,514.76
  6. Step 6: Final answer
    x = 175,071.01

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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.