Home / 190,581.96-262,882.98-122,687.64

Finding the Fourth Proportional to 190,581.96, 262,882.98 and 122,687.64

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Solution

The fourth proportional to 190,581.96, 262,882.98 and 122,687.64 is: 169,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,581.96 : 262,882.98 = 122,687.64 : x
  2. Step 2: Convert to fraction form
    190,581.96/262,882.98 = 122,687.64/x
  3. Step 3: Cross multiply
    190,581.96x = 262,882.98 × 122,687.64
  4. Step 4: Simplify right side
    190,581.96x = 32,252,492,412.37
  5. Step 5: Solve for x
    x = 32,252,492,412.37/190,581.96
  6. Step 6: Final answer
    x = 169,231.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.