Home / 129,760.04-194,640.06-50,911.40

Finding the Fourth Proportional to 129,760.04, 194,640.06 and 50,911.40

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Solution

The fourth proportional to 129,760.04, 194,640.06 and 50,911.40 is: 76,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,760.04 : 194,640.06 = 50,911.40 : x
  2. Step 2: Convert to fraction form
    129,760.04/194,640.06 = 50,911.40/x
  3. Step 3: Cross multiply
    129,760.04x = 194,640.06 × 50,911.40
  4. Step 4: Simplify right side
    129,760.04x = 9,909,397,950.68
  5. Step 5: Solve for x
    x = 9,909,397,950.68/129,760.04
  6. Step 6: Final answer
    x = 76,367.10

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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.