Home / 126,730.86-174,932.28-73,037.31

Finding the Fourth Proportional to 126,730.86, 174,932.28 and 73,037.31

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Solution

The fourth proportional to 126,730.86, 174,932.28 and 73,037.31 is: 100,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.86 : 174,932.28 = 73,037.31 : x
  2. Step 2: Convert to fraction form
    126,730.86/174,932.28 = 73,037.31/x
  3. Step 3: Cross multiply
    126,730.86x = 174,932.28 × 73,037.31
  4. Step 4: Simplify right side
    126,730.86x = 12,776,583,163.37
  5. Step 5: Solve for x
    x = 12,776,583,163.37/126,730.86
  6. Step 6: Final answer
    x = 100,816.67

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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.