Home / 126,382.97-174,408.36-69,794.21

Finding the Fourth Proportional to 126,382.97, 174,408.36 and 69,794.21

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Solution

The fourth proportional to 126,382.97, 174,408.36 and 69,794.21 is: 96,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382.97 : 174,408.36 = 69,794.21 : x
  2. Step 2: Convert to fraction form
    126,382.97/174,408.36 = 69,794.21/x
  3. Step 3: Cross multiply
    126,382.97x = 174,408.36 × 69,794.21
  4. Step 4: Simplify right side
    126,382.97x = 12,172,692,831.55
  5. Step 5: Solve for x
    x = 12,172,692,831.55/126,382.97
  6. Step 6: Final answer
    x = 96,315.93

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1.5x scale

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.