Home / 130,621.21-195,934.24-37,129.39

Finding the Fourth Proportional to 130,621.21, 195,934.24 and 37,129.39

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Solution

The fourth proportional to 130,621.21, 195,934.24 and 37,129.39 is: 55,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,621.21 : 195,934.24 = 37,129.39 : x
  2. Step 2: Convert to fraction form
    130,621.21/195,934.24 = 37,129.39/x
  3. Step 3: Cross multiply
    130,621.21x = 195,934.24 × 37,129.39
  4. Step 4: Simplify right side
    130,621.21x = 7,274,918,811.31
  5. Step 5: Solve for x
    x = 7,274,918,811.31/130,621.21
  6. Step 6: Final answer
    x = 55,694.77

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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.