Home / 130,078.68-195,118.04-36,584.43

Finding the Fourth Proportional to 130,078.68, 195,118.04 and 36,584.43

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Solution

The fourth proportional to 130,078.68, 195,118.04 and 36,584.43 is: 54,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,078.68 : 195,118.04 = 36,584.43 : x
  2. Step 2: Convert to fraction form
    130,078.68/195,118.04 = 36,584.43/x
  3. Step 3: Cross multiply
    130,078.68x = 195,118.04 × 36,584.43
  4. Step 4: Simplify right side
    130,078.68x = 7,138,282,276.12
  5. Step 5: Solve for x
    x = 7,138,282,276.12/130,078.68
  6. Step 6: Final answer
    x = 54,876.65

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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.