Home / 197,511.01-296,020.17-90,781.46

Finding the Fourth Proportional to 197,511.01, 296,020.17 and 90,781.46

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Solution

The fourth proportional to 197,511.01, 296,020.17 and 90,781.46 is: 136,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,511.01 : 296,020.17 = 90,781.46 : x
  2. Step 2: Convert to fraction form
    197,511.01/296,020.17 = 90,781.46/x
  3. Step 3: Cross multiply
    197,511.01x = 296,020.17 × 90,781.46
  4. Step 4: Simplify right side
    197,511.01x = 26,873,142,852.02
  5. Step 5: Solve for x
    x = 26,873,142,852.02/197,511.01
  6. Step 6: Final answer
    x = 136,058.96

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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.