Home / 129,533.46-194,326.38-54,653.76

Finding the Fourth Proportional to 129,533.46, 194,326.38 and 54,653.76

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Solution

The fourth proportional to 129,533.46, 194,326.38 and 54,653.76 is: 81,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,533.46 : 194,326.38 = 54,653.76 : x
  2. Step 2: Convert to fraction form
    129,533.46/194,326.38 = 54,653.76/x
  3. Step 3: Cross multiply
    129,533.46x = 194,326.38 × 54,653.76
  4. Step 4: Simplify right side
    129,533.46x = 10,620,667,334.19
  5. Step 5: Solve for x
    x = 10,620,667,334.19/129,533.46
  6. Step 6: Final answer
    x = 81,991.69

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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.