Home / 130,052.20-194,786.70-112,556.20

Finding the Fourth Proportional to 130,052.20, 194,786.70 and 112,556.20

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Solution

The fourth proportional to 130,052.20, 194,786.70 and 112,556.20 is: 168,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,052.20 : 194,786.70 = 112,556.20 : x
  2. Step 2: Convert to fraction form
    130,052.20/194,786.70 = 112,556.20/x
  3. Step 3: Cross multiply
    130,052.20x = 194,786.70 × 112,556.20
  4. Step 4: Simplify right side
    130,052.20x = 21,924,450,762.54
  5. Step 5: Solve for x
    x = 21,924,450,762.54/130,052.20
  6. Step 6: Final answer
    x = 168,581.93

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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.