Home / 126,788.94-174,974.20-70,200.32

Finding the Fourth Proportional to 126,788.94, 174,974.20 and 70,200.32

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Solution

The fourth proportional to 126,788.94, 174,974.20 and 70,200.32 is: 96,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788.94 : 174,974.20 = 70,200.32 : x
  2. Step 2: Convert to fraction form
    126,788.94/174,974.20 = 70,200.32/x
  3. Step 3: Cross multiply
    126,788.94x = 174,974.20 × 70,200.32
  4. Step 4: Simplify right side
    126,788.94x = 12,283,244,831.74
  5. Step 5: Solve for x
    x = 12,283,244,831.74/126,788.94
  6. Step 6: Final answer
    x = 96,879.47

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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.