Home / 126,723.96-174,918.02-73,044.86

Finding the Fourth Proportional to 126,723.96, 174,918.02 and 73,044.86

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Solution

The fourth proportional to 126,723.96, 174,918.02 and 73,044.86 is: 100,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,723.96 : 174,918.02 = 73,044.86 : x
  2. Step 2: Convert to fraction form
    126,723.96/174,918.02 = 73,044.86/x
  3. Step 3: Cross multiply
    126,723.96x = 174,918.02 × 73,044.86
  4. Step 4: Simplify right side
    126,723.96x = 12,776,861,042.56
  5. Step 5: Solve for x
    x = 12,776,861,042.56/126,723.96
  6. Step 6: Final answer
    x = 100,824.35

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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.