Home / 131,751.83-197,633.21-38,257.58

Finding the Fourth Proportional to 131,751.83, 197,633.21 and 38,257.58

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Solution

The fourth proportional to 131,751.83, 197,633.21 and 38,257.58 is: 57,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.83 : 197,633.21 = 38,257.58 : x
  2. Step 2: Convert to fraction form
    131,751.83/197,633.21 = 38,257.58/x
  3. Step 3: Cross multiply
    131,751.83x = 197,633.21 × 38,257.58
  4. Step 4: Simplify right side
    131,751.83x = 7,560,967,848.15
  5. Step 5: Solve for x
    x = 7,560,967,848.15/131,751.83
  6. Step 6: Final answer
    x = 57,387.95

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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.