Home / 140,682.67-194,160.58-80,239.46

Finding the Fourth Proportional to 140,682.67, 194,160.58 and 80,239.46

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Solution

The fourth proportional to 140,682.67, 194,160.58 and 80,239.46 is: 110,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,682.67 : 194,160.58 = 80,239.46 : x
  2. Step 2: Convert to fraction form
    140,682.67/194,160.58 = 80,239.46/x
  3. Step 3: Cross multiply
    140,682.67x = 194,160.58 × 80,239.46
  4. Step 4: Simplify right side
    140,682.67x = 15,579,340,013.24
  5. Step 5: Solve for x
    x = 15,579,340,013.24/140,682.67
  6. Step 6: Final answer
    x = 110,741.00

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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.