Home / 130,982.04-196,485.66-52,078.68

Finding the Fourth Proportional to 130,982.04, 196,485.66 and 52,078.68

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Solution

The fourth proportional to 130,982.04, 196,485.66 and 52,078.68 is: 78,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.04 : 196,485.66 = 52,078.68 : x
  2. Step 2: Convert to fraction form
    130,982.04/196,485.66 = 52,078.68/x
  3. Step 3: Cross multiply
    130,982.04x = 196,485.66 × 52,078.68
  4. Step 4: Simplify right side
    130,982.04x = 10,232,713,811.73
  5. Step 5: Solve for x
    x = 10,232,713,811.73/130,982.04
  6. Step 6: Final answer
    x = 78,123.03

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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.