Home / 141,168.57-194,814.17-76,638.39

Finding the Fourth Proportional to 141,168.57, 194,814.17 and 76,638.39

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Solution

The fourth proportional to 141,168.57, 194,814.17 and 76,638.39 is: 105,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,168.57 : 194,814.17 = 76,638.39 : x
  2. Step 2: Convert to fraction form
    141,168.57/194,814.17 = 76,638.39/x
  3. Step 3: Cross multiply
    141,168.57x = 194,814.17 × 76,638.39
  4. Step 4: Simplify right side
    141,168.57x = 14,930,244,337.99
  5. Step 5: Solve for x
    x = 14,930,244,337.99/141,168.57
  6. Step 6: Final answer
    x = 105,761.82

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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.