Home / 141,146.10-194,780.75-76,616.60

Finding the Fourth Proportional to 141,146.10, 194,780.75 and 76,616.60

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Solution

The fourth proportional to 141,146.10, 194,780.75 and 76,616.60 is: 105,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,146.10 : 194,780.75 = 76,616.60 : x
  2. Step 2: Convert to fraction form
    141,146.10/194,780.75 = 76,616.60/x
  3. Step 3: Cross multiply
    141,146.10x = 194,780.75 × 76,616.60
  4. Step 4: Simplify right side
    141,146.10x = 14,923,437,453.46
  5. Step 5: Solve for x
    x = 14,923,437,453.46/141,146.10
  6. Step 6: Final answer
    x = 105,730.43

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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.