Home / 194,579.16-291,722.88-82,390.92

Finding the Fourth Proportional to 194,579.16, 291,722.88 and 82,390.92

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Solution

The fourth proportional to 194,579.16, 291,722.88 and 82,390.92 is: 123,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,579.16 : 291,722.88 = 82,390.92 : x
  2. Step 2: Convert to fraction form
    194,579.16/291,722.88 = 82,390.92/x
  3. Step 3: Cross multiply
    194,579.16x = 291,722.88 × 82,390.92
  4. Step 4: Simplify right side
    194,579.16x = 24,035,316,468.25
  5. Step 5: Solve for x
    x = 24,035,316,468.25/194,579.16
  6. Step 6: Final answer
    x = 123,524.62

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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.