Home / 129,585.78-194,298.48-50,607.14

Finding the Fourth Proportional to 129,585.78, 194,298.48 and 50,607.14

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Solution

The fourth proportional to 129,585.78, 194,298.48 and 50,607.14 is: 75,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,585.78 : 194,298.48 = 50,607.14 : x
  2. Step 2: Convert to fraction form
    129,585.78/194,298.48 = 50,607.14/x
  3. Step 3: Cross multiply
    129,585.78x = 194,298.48 × 50,607.14
  4. Step 4: Simplify right side
    129,585.78x = 9,832,890,379.15
  5. Step 5: Solve for x
    x = 9,832,890,379.15/129,585.78
  6. Step 6: Final answer
    x = 75,879.39

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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.