Home / 140,883.44-194,439.08-87,185.76

Finding the Fourth Proportional to 140,883.44, 194,439.08 and 87,185.76

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Solution

The fourth proportional to 140,883.44, 194,439.08 and 87,185.76 is: 120,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883.44 : 194,439.08 = 87,185.76 : x
  2. Step 2: Convert to fraction form
    140,883.44/194,439.08 = 87,185.76/x
  3. Step 3: Cross multiply
    140,883.44x = 194,439.08 × 87,185.76
  4. Step 4: Simplify right side
    140,883.44x = 16,952,319,181.47
  5. Step 5: Solve for x
    x = 16,952,319,181.47/140,883.44
  6. Step 6: Final answer
    x = 120,328.68

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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.