Home / 306,425.40-459,321.09-116,834.76

Finding the Fourth Proportional to 306,425.40, 459,321.09 and 116,834.76

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Solution

The fourth proportional to 306,425.40, 459,321.09 and 116,834.76 is: 175,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,425.40 : 459,321.09 = 116,834.76 : x
  2. Step 2: Convert to fraction form
    306,425.40/459,321.09 = 116,834.76/x
  3. Step 3: Cross multiply
    306,425.40x = 459,321.09 × 116,834.76
  4. Step 4: Simplify right side
    306,425.40x = 53,664,669,313.09
  5. Step 5: Solve for x
    x = 53,664,669,313.09/306,425.40
  6. Step 6: Final answer
    x = 175,131.27

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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.