Home / 445,034.06-667,592.12-145,516.17

Finding the Fourth Proportional to 445,034.06, 667,592.12 and 145,516.17

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Solution

The fourth proportional to 445,034.06, 667,592.12 and 145,516.17 is: 218,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,034.06 : 667,592.12 = 145,516.17 : x
  2. Step 2: Convert to fraction form
    445,034.06/667,592.12 = 145,516.17/x
  3. Step 3: Cross multiply
    445,034.06x = 667,592.12 × 145,516.17
  4. Step 4: Simplify right side
    445,034.06x = 97,145,448,788.37
  5. Step 5: Solve for x
    x = 97,145,448,788.37/445,034.06
  6. Step 6: Final answer
    x = 218,287.67

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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.