Home / 129,653.64-194,556.99-54,768.93

Finding the Fourth Proportional to 129,653.64, 194,556.99 and 54,768.93

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Solution

The fourth proportional to 129,653.64, 194,556.99 and 54,768.93 is: 82,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653.64 : 194,556.99 = 54,768.93 : x
  2. Step 2: Convert to fraction form
    129,653.64/194,556.99 = 54,768.93/x
  3. Step 3: Cross multiply
    129,653.64x = 194,556.99 × 54,768.93
  4. Step 4: Simplify right side
    129,653.64x = 10,655,678,166.32
  5. Step 5: Solve for x
    x = 10,655,678,166.32/129,653.64
  6. Step 6: Final answer
    x = 82,185.72

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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.