Home / 298,988.24-412,606.98-163,021.04

Finding the Fourth Proportional to 298,988.24, 412,606.98 and 163,021.04

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Solution

The fourth proportional to 298,988.24, 412,606.98 and 163,021.04 is: 224,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,988.24 : 412,606.98 = 163,021.04 : x
  2. Step 2: Convert to fraction form
    298,988.24/412,606.98 = 163,021.04/x
  3. Step 3: Cross multiply
    298,988.24x = 412,606.98 × 163,021.04
  4. Step 4: Simplify right side
    298,988.24x = 67,263,618,990.86
  5. Step 5: Solve for x
    x = 67,263,618,990.86/298,988.24
  6. Step 6: Final answer
    x = 224,970.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.