Home / 130,209.34-179,708.04-82,467.14

Finding the Fourth Proportional to 130,209.34, 179,708.04 and 82,467.14

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Solution

The fourth proportional to 130,209.34, 179,708.04 and 82,467.14 is: 113,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,209.34 : 179,708.04 = 82,467.14 : x
  2. Step 2: Convert to fraction form
    130,209.34/179,708.04 = 82,467.14/x
  3. Step 3: Cross multiply
    130,209.34x = 179,708.04 × 82,467.14
  4. Step 4: Simplify right side
    130,209.34x = 14,820,008,093.81
  5. Step 5: Solve for x
    x = 14,820,008,093.81/130,209.34
  6. Step 6: Final answer
    x = 113,816.78

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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.