Home / 126,508.37-174,583.64-75,511.17

Finding the Fourth Proportional to 126,508.37, 174,583.64 and 75,511.17

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Solution

The fourth proportional to 126,508.37, 174,583.64 and 75,511.17 is: 104,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,508.37 : 174,583.64 = 75,511.17 : x
  2. Step 2: Convert to fraction form
    126,508.37/174,583.64 = 75,511.17/x
  3. Step 3: Cross multiply
    126,508.37x = 174,583.64 × 75,511.17
  4. Step 4: Simplify right side
    126,508.37x = 13,183,015,108.04
  5. Step 5: Solve for x
    x = 13,183,015,108.04/126,508.37
  6. Step 6: Final answer
    x = 104,206.67

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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.