Home / 204,042.40-306,063.60-147,617.80

Finding the Fourth Proportional to 204,042.40, 306,063.60 and 147,617.80

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Solution

The fourth proportional to 204,042.40, 306,063.60 and 147,617.80 is: 221,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,042.40 : 306,063.60 = 147,617.80 : x
  2. Step 2: Convert to fraction form
    204,042.40/306,063.60 = 147,617.80/x
  3. Step 3: Cross multiply
    204,042.40x = 306,063.60 × 147,617.80
  4. Step 4: Simplify right side
    204,042.40x = 45,180,435,292.08
  5. Step 5: Solve for x
    x = 45,180,435,292.08/204,042.40
  6. Step 6: Final answer
    x = 221,426.70

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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.