Home / 443,914.96-665,938.74-163,410.88

Finding the Fourth Proportional to 443,914.96, 665,938.74 and 163,410.88

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Solution

The fourth proportional to 443,914.96, 665,938.74 and 163,410.88 is: 245,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,914.96 : 665,938.74 = 163,410.88 : x
  2. Step 2: Convert to fraction form
    443,914.96/665,938.74 = 163,410.88/x
  3. Step 3: Cross multiply
    443,914.96x = 665,938.74 × 163,410.88
  4. Step 4: Simplify right side
    443,914.96x = 108,821,635,529.49
  5. Step 5: Solve for x
    x = 108,821,635,529.49/443,914.96
  6. Step 6: Final answer
    x = 245,140.73

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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.