Home / 130,942.55-196,425.16-36,172.71

Finding the Fourth Proportional to 130,942.55, 196,425.16 and 36,172.71

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Solution

The fourth proportional to 130,942.55, 196,425.16 and 36,172.71 is: 54,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,942.55 : 196,425.16 = 36,172.71 : x
  2. Step 2: Convert to fraction form
    130,942.55/196,425.16 = 36,172.71/x
  3. Step 3: Cross multiply
    130,942.55x = 196,425.16 × 36,172.71
  4. Step 4: Simplify right side
    130,942.55x = 7,105,230,258.95
  5. Step 5: Solve for x
    x = 7,105,230,258.95/130,942.55
  6. Step 6: Final answer
    x = 54,262.19

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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.