Home / 126,411.41-174,432.88-69,819.41

Finding the Fourth Proportional to 126,411.41, 174,432.88 and 69,819.41

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Solution

The fourth proportional to 126,411.41, 174,432.88 and 69,819.41 is: 96,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,411.41 : 174,432.88 = 69,819.41 : x
  2. Step 2: Convert to fraction form
    126,411.41/174,432.88 = 69,819.41/x
  3. Step 3: Cross multiply
    126,411.41x = 174,432.88 × 69,819.41
  4. Step 4: Simplify right side
    126,411.41x = 12,178,800,766.20
  5. Step 5: Solve for x
    x = 12,178,800,766.20/126,411.41
  6. Step 6: Final answer
    x = 96,342.58

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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.