Home / 141,293.88-194,982.42-76,761.45

Finding the Fourth Proportional to 141,293.88, 194,982.42 and 76,761.45

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Solution

The fourth proportional to 141,293.88, 194,982.42 and 76,761.45 is: 105,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,293.88 : 194,982.42 = 76,761.45 : x
  2. Step 2: Convert to fraction form
    141,293.88/194,982.42 = 76,761.45/x
  3. Step 3: Cross multiply
    141,293.88x = 194,982.42 × 76,761.45
  4. Step 4: Simplify right side
    141,293.88x = 14,967,133,283.71
  5. Step 5: Solve for x
    x = 14,967,133,283.71/141,293.88
  6. Step 6: Final answer
    x = 105,929.10

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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.