Home / 141,256.40-194,847.47-83,856.75

Finding the Fourth Proportional to 141,256.40, 194,847.47 and 83,856.75

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Solution

The fourth proportional to 141,256.40, 194,847.47 and 83,856.75 is: 115,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,256.40 : 194,847.47 = 83,856.75 : x
  2. Step 2: Convert to fraction form
    141,256.40/194,847.47 = 83,856.75/x
  3. Step 3: Cross multiply
    141,256.40x = 194,847.47 × 83,856.75
  4. Step 4: Simplify right side
    141,256.40x = 16,339,275,160.64
  5. Step 5: Solve for x
    x = 16,339,275,160.64/141,256.40
  6. Step 6: Final answer
    x = 115,671.05

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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.