Home / 194,285.86-291,468.58-81,966.10

Finding the Fourth Proportional to 194,285.86, 291,468.58 and 81,966.10

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Solution

The fourth proportional to 194,285.86, 291,468.58 and 81,966.10 is: 122,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,285.86 : 291,468.58 = 81,966.10 : x
  2. Step 2: Convert to fraction form
    194,285.86/291,468.58 = 81,966.10/x
  3. Step 3: Cross multiply
    194,285.86x = 291,468.58 × 81,966.10
  4. Step 4: Simplify right side
    194,285.86x = 23,890,542,775.14
  5. Step 5: Solve for x
    x = 23,890,542,775.14/194,285.86
  6. Step 6: Final answer
    x = 122,965.94

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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.