Home / 197,713.09-296,613.38-108,920.89

Finding the Fourth Proportional to 197,713.09, 296,613.38 and 108,920.89

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Solution

The fourth proportional to 197,713.09, 296,613.38 and 108,920.89 is: 163,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,713.09 : 296,613.38 = 108,920.89 : x
  2. Step 2: Convert to fraction form
    197,713.09/296,613.38 = 108,920.89/x
  3. Step 3: Cross multiply
    197,713.09x = 296,613.38 × 108,920.89
  4. Step 4: Simplify right side
    197,713.09x = 32,307,393,335.51
  5. Step 5: Solve for x
    x = 32,307,393,335.51/197,713.09
  6. Step 6: Final answer
    x = 163,405.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.