Home / 129,768.04-194,652.06-50,919.40

Finding the Fourth Proportional to 129,768.04, 194,652.06 and 50,919.40

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Solution

The fourth proportional to 129,768.04, 194,652.06 and 50,919.40 is: 76,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,768.04 : 194,652.06 = 50,919.40 : x
  2. Step 2: Convert to fraction form
    129,768.04/194,652.06 = 50,919.40/x
  3. Step 3: Cross multiply
    129,768.04x = 194,652.06 × 50,919.40
  4. Step 4: Simplify right side
    129,768.04x = 9,911,566,103.96
  5. Step 5: Solve for x
    x = 9,911,566,103.96/129,768.04
  6. Step 6: Final answer
    x = 76,379.10

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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.