Home / 130,005.04-194,992.44-36,518.80

Finding the Fourth Proportional to 130,005.04, 194,992.44 and 36,518.80

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Solution

The fourth proportional to 130,005.04, 194,992.44 and 36,518.80 is: 54,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005.04 : 194,992.44 = 36,518.80 : x
  2. Step 2: Convert to fraction form
    130,005.04/194,992.44 = 36,518.80/x
  3. Step 3: Cross multiply
    130,005.04x = 194,992.44 × 36,518.80
  4. Step 4: Simplify right side
    130,005.04x = 7,120,889,917.87
  5. Step 5: Solve for x
    x = 7,120,889,917.87/130,005.04
  6. Step 6: Final answer
    x = 54,773.95

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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.