Home / 130,204.26-179,660.62-75,768.61

Finding the Fourth Proportional to 130,204.26, 179,660.62 and 75,768.61

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Solution

The fourth proportional to 130,204.26, 179,660.62 and 75,768.61 is: 104,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.26 : 179,660.62 = 75,768.61 : x
  2. Step 2: Convert to fraction form
    130,204.26/179,660.62 = 75,768.61/x
  3. Step 3: Cross multiply
    130,204.26x = 179,660.62 × 75,768.61
  4. Step 4: Simplify right side
    130,204.26x = 13,612,635,449.14
  5. Step 5: Solve for x
    x = 13,612,635,449.14/130,204.26
  6. Step 6: Final answer
    x = 104,548.31

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1.5x scale

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.