Home / 130,941.12-196,423-36,171.27

Finding the Fourth Proportional to 130,941.12, 196,423 and 36,171.27

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Solution

The fourth proportional to 130,941.12, 196,423 and 36,171.27 is: 54,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,941.12 : 196,423 = 36,171.27 : x
  2. Step 2: Convert to fraction form
    130,941.12/196,423 = 36,171.27/x
  3. Step 3: Cross multiply
    130,941.12x = 196,423 × 36,171.27
  4. Step 4: Simplify right side
    130,941.12x = 7,104,869,367.21
  5. Step 5: Solve for x
    x = 7,104,869,367.21/130,941.12
  6. Step 6: Final answer
    x = 54,260.03

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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.