Home / 130,914.88-196,383.60-36,145.08

Finding the Fourth Proportional to 130,914.88, 196,383.60 and 36,145.08

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Solution

The fourth proportional to 130,914.88, 196,383.60 and 36,145.08 is: 54,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914.88 : 196,383.60 = 36,145.08 : x
  2. Step 2: Convert to fraction form
    130,914.88/196,383.60 = 36,145.08/x
  3. Step 3: Cross multiply
    130,914.88x = 196,383.60 × 36,145.08
  4. Step 4: Simplify right side
    130,914.88x = 7,098,300,932.69
  5. Step 5: Solve for x
    x = 7,098,300,932.69/130,914.88
  6. Step 6: Final answer
    x = 54,220.74

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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.