Home / 354,628.60-531,942.90-168,004.60

Finding the Fourth Proportional to 354,628.60, 531,942.90 and 168,004.60

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Solution

The fourth proportional to 354,628.60, 531,942.90 and 168,004.60 is: 252,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,628.60 : 531,942.90 = 168,004.60 : x
  2. Step 2: Convert to fraction form
    354,628.60/531,942.90 = 168,004.60/x
  3. Step 3: Cross multiply
    354,628.60x = 531,942.90 × 168,004.60
  4. Step 4: Simplify right side
    354,628.60x = 89,368,854,137.34
  5. Step 5: Solve for x
    x = 89,368,854,137.34/354,628.60
  6. Step 6: Final answer
    x = 252,006.90

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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.