Home / 129,627.54-194,442.12-36,134.10

Finding the Fourth Proportional to 129,627.54, 194,442.12 and 36,134.10

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Solution

The fourth proportional to 129,627.54, 194,442.12 and 36,134.10 is: 54,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,627.54 : 194,442.12 = 36,134.10 : x
  2. Step 2: Convert to fraction form
    129,627.54/194,442.12 = 36,134.10/x
  3. Step 3: Cross multiply
    129,627.54x = 194,442.12 × 36,134.10
  4. Step 4: Simplify right side
    129,627.54x = 7,025,991,008.29
  5. Step 5: Solve for x
    x = 7,025,991,008.29/129,627.54
  6. Step 6: Final answer
    x = 54,201.38

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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.