Home / 131,641.42-197,283.20-55,676.84

Finding the Fourth Proportional to 131,641.42, 197,283.20 and 55,676.84

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Solution

The fourth proportional to 131,641.42, 197,283.20 and 55,676.84 is: 83,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,641.42 : 197,283.20 = 55,676.84 : x
  2. Step 2: Convert to fraction form
    131,641.42/197,283.20 = 55,676.84/x
  3. Step 3: Cross multiply
    131,641.42x = 197,283.20 × 55,676.84
  4. Step 4: Simplify right side
    131,641.42x = 10,984,105,161.09
  5. Step 5: Solve for x
    x = 10,984,105,161.09/131,641.42
  6. Step 6: Final answer
    x = 83,439.58

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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.