Home / 186,919.80-280,467.24-81,725.16

Finding the Fourth Proportional to 186,919.80, 280,467.24 and 81,725.16

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Solution

The fourth proportional to 186,919.80, 280,467.24 and 81,725.16 is: 122,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,919.80 : 280,467.24 = 81,725.16 : x
  2. Step 2: Convert to fraction form
    186,919.80/280,467.24 = 81,725.16/x
  3. Step 3: Cross multiply
    186,919.80x = 280,467.24 × 81,725.16
  4. Step 4: Simplify right side
    186,919.80x = 22,921,230,063.76
  5. Step 5: Solve for x
    x = 22,921,230,063.76/186,919.80
  6. Step 6: Final answer
    x = 122,626.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.