Home / 129,454.96-194,177.58-53,551.48

Finding the Fourth Proportional to 129,454.96, 194,177.58 and 53,551.48

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Solution

The fourth proportional to 129,454.96, 194,177.58 and 53,551.48 is: 80,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,454.96 : 194,177.58 = 53,551.48 : x
  2. Step 2: Convert to fraction form
    129,454.96/194,177.58 = 53,551.48/x
  3. Step 3: Cross multiply
    129,454.96x = 194,177.58 × 53,551.48
  4. Step 4: Simplify right side
    129,454.96x = 10,398,496,791.82
  5. Step 5: Solve for x
    x = 10,398,496,791.82/129,454.96
  6. Step 6: Final answer
    x = 80,325.21

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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.