Home / 129,505.28-194,235.24-36,018.32

Finding the Fourth Proportional to 129,505.28, 194,235.24 and 36,018.32

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Solution

The fourth proportional to 129,505.28, 194,235.24 and 36,018.32 is: 54,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.28 : 194,235.24 = 36,018.32 : x
  2. Step 2: Convert to fraction form
    129,505.28/194,235.24 = 36,018.32/x
  3. Step 3: Cross multiply
    129,505.28x = 194,235.24 × 36,018.32
  4. Step 4: Simplify right side
    129,505.28x = 6,996,027,029.60
  5. Step 5: Solve for x
    x = 6,996,027,029.60/129,505.28
  6. Step 6: Final answer
    x = 54,021.17

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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.