Home / 126,747.36-174,909.24-70,157.52

Finding the Fourth Proportional to 126,747.36, 174,909.24 and 70,157.52

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Solution

The fourth proportional to 126,747.36, 174,909.24 and 70,157.52 is: 96,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,747.36 : 174,909.24 = 70,157.52 : x
  2. Step 2: Convert to fraction form
    126,747.36/174,909.24 = 70,157.52/x
  3. Step 3: Cross multiply
    126,747.36x = 174,909.24 × 70,157.52
  4. Step 4: Simplify right side
    126,747.36x = 12,271,198,503.48
  5. Step 5: Solve for x
    x = 12,271,198,503.48/126,747.36
  6. Step 6: Final answer
    x = 96,816.21

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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.