Home / 129,628.40-194,442.60-114,076.40

Finding the Fourth Proportional to 129,628.40, 194,442.60 and 114,076.40

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Solution

The fourth proportional to 129,628.40, 194,442.60 and 114,076.40 is: 171,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,628.40 : 194,442.60 = 114,076.40 : x
  2. Step 2: Convert to fraction form
    129,628.40/194,442.60 = 114,076.40/x
  3. Step 3: Cross multiply
    129,628.40x = 194,442.60 × 114,076.40
  4. Step 4: Simplify right side
    129,628.40x = 22,181,311,814.64
  5. Step 5: Solve for x
    x = 22,181,311,814.64/129,628.40
  6. Step 6: Final answer
    x = 171,114.60

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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.