Home / 130,911.96-196,353.24-36,155.62

Finding the Fourth Proportional to 130,911.96, 196,353.24 and 36,155.62

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Solution

The fourth proportional to 130,911.96, 196,353.24 and 36,155.62 is: 54,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,911.96 : 196,353.24 = 36,155.62 : x
  2. Step 2: Convert to fraction form
    130,911.96/196,353.24 = 36,155.62/x
  3. Step 3: Cross multiply
    130,911.96x = 196,353.24 × 36,155.62
  4. Step 4: Simplify right side
    130,911.96x = 7,099,271,968.66
  5. Step 5: Solve for x
    x = 7,099,271,968.66/130,911.96
  6. Step 6: Final answer
    x = 54,229.36

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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.