Home / 126,929.23-190,344.63-67,732.61

Finding the Fourth Proportional to 126,929.23, 190,344.63 and 67,732.61

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Solution

The fourth proportional to 126,929.23, 190,344.63 and 67,732.61 is: 101,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.23 : 190,344.63 = 67,732.61 : x
  2. Step 2: Convert to fraction form
    126,929.23/190,344.63 = 67,732.61/x
  3. Step 3: Cross multiply
    126,929.23x = 190,344.63 × 67,732.61
  4. Step 4: Simplify right side
    126,929.23x = 12,892,537,891.66
  5. Step 5: Solve for x
    x = 12,892,537,891.66/126,929.23
  6. Step 6: Final answer
    x = 101,572.65

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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.