Home / 129,992.19-194,973.30-35,216.79

Finding the Fourth Proportional to 129,992.19, 194,973.30 and 35,216.79

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Solution

The fourth proportional to 129,992.19, 194,973.30 and 35,216.79 is: 52,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,992.19 : 194,973.30 = 35,216.79 : x
  2. Step 2: Convert to fraction form
    129,992.19/194,973.30 = 35,216.79/x
  3. Step 3: Cross multiply
    129,992.19x = 194,973.30 × 35,216.79
  4. Step 4: Simplify right side
    129,992.19x = 6,866,333,761.71
  5. Step 5: Solve for x
    x = 6,866,333,761.71/129,992.19
  6. Step 6: Final answer
    x = 52,821.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.