Home / 194,530.47-291,821.21-76,186.43

Finding the Fourth Proportional to 194,530.47, 291,821.21 and 76,186.43

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Solution

The fourth proportional to 194,530.47, 291,821.21 and 76,186.43 is: 114,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,530.47 : 291,821.21 = 76,186.43 : x
  2. Step 2: Convert to fraction form
    194,530.47/291,821.21 = 76,186.43/x
  3. Step 3: Cross multiply
    194,530.47x = 291,821.21 × 76,186.43
  4. Step 4: Simplify right side
    194,530.47x = 22,232,816,188.18
  5. Step 5: Solve for x
    x = 22,232,816,188.18/194,530.47
  6. Step 6: Final answer
    x = 114,289.63

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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.