Home / 126,818.75-174,970.05-73,096.31

Finding the Fourth Proportional to 126,818.75, 174,970.05 and 73,096.31

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Solution

The fourth proportional to 126,818.75, 174,970.05 and 73,096.31 is: 100,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,818.75 : 174,970.05 = 73,096.31 : x
  2. Step 2: Convert to fraction form
    126,818.75/174,970.05 = 73,096.31/x
  3. Step 3: Cross multiply
    126,818.75x = 174,970.05 × 73,096.31
  4. Step 4: Simplify right side
    126,818.75x = 12,789,664,400.21
  5. Step 5: Solve for x
    x = 12,789,664,400.21/126,818.75
  6. Step 6: Final answer
    x = 100,849.95

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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.