Home / 130,226.36-179,716.16-73,636.52

Finding the Fourth Proportional to 130,226.36, 179,716.16 and 73,636.52

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Solution

The fourth proportional to 130,226.36, 179,716.16 and 73,636.52 is: 101,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,226.36 : 179,716.16 = 73,636.52 : x
  2. Step 2: Convert to fraction form
    130,226.36/179,716.16 = 73,636.52/x
  3. Step 3: Cross multiply
    130,226.36x = 179,716.16 × 73,636.52
  4. Step 4: Simplify right side
    130,226.36x = 13,233,672,610.16
  5. Step 5: Solve for x
    x = 13,233,672,610.16/130,226.36
  6. Step 6: Final answer
    x = 101,620.54

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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.