Home / 141,256.98-194,934.06-76,725.90

Finding the Fourth Proportional to 141,256.98, 194,934.06 and 76,725.90

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Solution

The fourth proportional to 141,256.98, 194,934.06 and 76,725.90 is: 105,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,256.98 : 194,934.06 = 76,725.90 : x
  2. Step 2: Convert to fraction form
    141,256.98/194,934.06 = 76,725.90/x
  3. Step 3: Cross multiply
    141,256.98x = 194,934.06 × 76,725.90
  4. Step 4: Simplify right side
    141,256.98x = 14,956,491,194.15
  5. Step 5: Solve for x
    x = 14,956,491,194.15/141,256.98
  6. Step 6: Final answer
    x = 105,881.43

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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.