Home / 126,562.26-174,650.67-72,852.78

Finding the Fourth Proportional to 126,562.26, 174,650.67 and 72,852.78

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Solution

The fourth proportional to 126,562.26, 174,650.67 and 72,852.78 is: 100,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,562.26 : 174,650.67 = 72,852.78 : x
  2. Step 2: Convert to fraction form
    126,562.26/174,650.67 = 72,852.78/x
  3. Step 3: Cross multiply
    126,562.26x = 174,650.67 × 72,852.78
  4. Step 4: Simplify right side
    126,562.26x = 12,723,786,838.36
  5. Step 5: Solve for x
    x = 12,723,786,838.36/126,562.26
  6. Step 6: Final answer
    x = 100,533.82

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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.