Home / 130,242.92-195,380.20-36,748.68

Finding the Fourth Proportional to 130,242.92, 195,380.20 and 36,748.68

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Solution

The fourth proportional to 130,242.92, 195,380.20 and 36,748.68 is: 55,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,242.92 : 195,380.20 = 36,748.68 : x
  2. Step 2: Convert to fraction form
    130,242.92/195,380.20 = 36,748.68/x
  3. Step 3: Cross multiply
    130,242.92x = 195,380.20 × 36,748.68
  4. Step 4: Simplify right side
    130,242.92x = 7,179,964,448.14
  5. Step 5: Solve for x
    x = 7,179,964,448.14/130,242.92
  6. Step 6: Final answer
    x = 55,127.48

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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.