Home / 129,777.92-194,667.06-36,283.58

Finding the Fourth Proportional to 129,777.92, 194,667.06 and 36,283.58

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Solution

The fourth proportional to 129,777.92, 194,667.06 and 36,283.58 is: 54,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,777.92 : 194,667.06 = 36,283.58 : x
  2. Step 2: Convert to fraction form
    129,777.92/194,667.06 = 36,283.58/x
  3. Step 3: Cross multiply
    129,777.92x = 194,667.06 × 36,283.58
  4. Step 4: Simplify right side
    129,777.92x = 7,063,217,844.87
  5. Step 5: Solve for x
    x = 7,063,217,844.87/129,777.92
  6. Step 6: Final answer
    x = 54,425.42

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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.