Home / 126,731.71-174,928.71-73,052.61

Finding the Fourth Proportional to 126,731.71, 174,928.71 and 73,052.61

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Solution

The fourth proportional to 126,731.71, 174,928.71 and 73,052.61 is: 100,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.71 : 174,928.71 = 73,052.61 : x
  2. Step 2: Convert to fraction form
    126,731.71/174,928.71 = 73,052.61/x
  3. Step 3: Cross multiply
    126,731.71x = 174,928.71 × 73,052.61
  4. Step 4: Simplify right side
    126,731.71x = 12,778,998,829.43
  5. Step 5: Solve for x
    x = 12,778,998,829.43/126,731.71
  6. Step 6: Final answer
    x = 100,835.05

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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.