Home / 163,720.40-244,966.20-148,974.80

Finding the Fourth Proportional to 163,720.40, 244,966.20 and 148,974.80

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Solution

The fourth proportional to 163,720.40, 244,966.20 and 148,974.80 is: 222,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,720.40 : 244,966.20 = 148,974.80 : x
  2. Step 2: Convert to fraction form
    163,720.40/244,966.20 = 148,974.80/x
  3. Step 3: Cross multiply
    163,720.40x = 244,966.20 × 148,974.80
  4. Step 4: Simplify right side
    163,720.40x = 36,493,790,651.76
  5. Step 5: Solve for x
    x = 36,493,790,651.76/163,720.40
  6. Step 6: Final answer
    x = 222,903.14

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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.