Home / 443,238.68-664,923.63-162,734.06

Finding the Fourth Proportional to 443,238.68, 664,923.63 and 162,734.06

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Solution

The fourth proportional to 443,238.68, 664,923.63 and 162,734.06 is: 244,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,238.68 : 664,923.63 = 162,734.06 : x
  2. Step 2: Convert to fraction form
    443,238.68/664,923.63 = 162,734.06/x
  3. Step 3: Cross multiply
    443,238.68x = 664,923.63 × 162,734.06
  4. Step 4: Simplify right side
    443,238.68x = 108,205,724,172.40
  5. Step 5: Solve for x
    x = 108,205,724,172.40/443,238.68
  6. Step 6: Final answer
    x = 244,125.18

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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.