Home / 130,040.20-194,768.70-106,712.20

Finding the Fourth Proportional to 130,040.20, 194,768.70 and 106,712.20

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Solution

The fourth proportional to 130,040.20, 194,768.70 and 106,712.20 is: 159,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.20 : 194,768.70 = 106,712.20 : x
  2. Step 2: Convert to fraction form
    130,040.20/194,768.70 = 106,712.20/x
  3. Step 3: Cross multiply
    130,040.20x = 194,768.70 × 106,712.20
  4. Step 4: Simplify right side
    130,040.20x = 20,784,196,468.14
  5. Step 5: Solve for x
    x = 20,784,196,468.14/130,040.20
  6. Step 6: Final answer
    x = 159,829.01

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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.