Home / 141,305.28-194,914.71-83,905.62

Finding the Fourth Proportional to 141,305.28, 194,914.71 and 83,905.62

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Solution

The fourth proportional to 141,305.28, 194,914.71 and 83,905.62 is: 115,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,305.28 : 194,914.71 = 83,905.62 : x
  2. Step 2: Convert to fraction form
    141,305.28/194,914.71 = 83,905.62/x
  3. Step 3: Cross multiply
    141,305.28x = 194,914.71 × 83,905.62
  4. Step 4: Simplify right side
    141,305.28x = 16,354,439,589.67
  5. Step 5: Solve for x
    x = 16,354,439,589.67/141,305.28
  6. Step 6: Final answer
    x = 115,738.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.