Home / 126,286.56-174,276.36-68,925.36

Finding the Fourth Proportional to 126,286.56, 174,276.36 and 68,925.36

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Solution

The fourth proportional to 126,286.56, 174,276.36 and 68,925.36 is: 95,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.56 : 174,276.36 = 68,925.36 : x
  2. Step 2: Convert to fraction form
    126,286.56/174,276.36 = 68,925.36/x
  3. Step 3: Cross multiply
    126,286.56x = 174,276.36 × 68,925.36
  4. Step 4: Simplify right side
    126,286.56x = 12,012,060,852.49
  5. Step 5: Solve for x
    x = 12,012,060,852.49/126,286.56
  6. Step 6: Final answer
    x = 95,117.49

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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.