Home / 141,206.31-194,864.70-76,675.23

Finding the Fourth Proportional to 141,206.31, 194,864.70 and 76,675.23

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Solution

The fourth proportional to 141,206.31, 194,864.70 and 76,675.23 is: 105,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,206.31 : 194,864.70 = 76,675.23 : x
  2. Step 2: Convert to fraction form
    141,206.31/194,864.70 = 76,675.23/x
  3. Step 3: Cross multiply
    141,206.31x = 194,864.70 × 76,675.23
  4. Step 4: Simplify right side
    141,206.31x = 14,941,295,691.38
  5. Step 5: Solve for x
    x = 14,941,295,691.38/141,206.31
  6. Step 6: Final answer
    x = 105,811.81

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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.