Home / 141,204.36-194,865.48-76,676.40

Finding the Fourth Proportional to 141,204.36, 194,865.48 and 76,676.40

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Solution

The fourth proportional to 141,204.36, 194,865.48 and 76,676.40 is: 105,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,204.36 : 194,865.48 = 76,676.40 : x
  2. Step 2: Convert to fraction form
    141,204.36/194,865.48 = 76,676.40/x
  3. Step 3: Cross multiply
    141,204.36x = 194,865.48 × 76,676.40
  4. Step 4: Simplify right side
    141,204.36x = 14,941,583,490.67
  5. Step 5: Solve for x
    x = 14,941,583,490.67/141,204.36
  6. Step 6: Final answer
    x = 105,815.31

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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.