Home / 126,293.48-174,253.46-72,593.80

Finding the Fourth Proportional to 126,293.48, 174,253.46 and 72,593.80

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Solution

The fourth proportional to 126,293.48, 174,253.46 and 72,593.80 is: 100,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.48 : 174,253.46 = 72,593.80 : x
  2. Step 2: Convert to fraction form
    126,293.48/174,253.46 = 72,593.80/x
  3. Step 3: Cross multiply
    126,293.48x = 174,253.46 × 72,593.80
  4. Step 4: Simplify right side
    126,293.48x = 12,649,720,824.55
  5. Step 5: Solve for x
    x = 12,649,720,824.55/126,293.48
  6. Step 6: Final answer
    x = 100,161.31

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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.