Home / 220,159.46-303,913.05-148,636.35

Finding the Fourth Proportional to 220,159.46, 303,913.05 and 148,636.35

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Solution

The fourth proportional to 220,159.46, 303,913.05 and 148,636.35 is: 205,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,159.46 : 303,913.05 = 148,636.35 : x
  2. Step 2: Convert to fraction form
    220,159.46/303,913.05 = 148,636.35/x
  3. Step 3: Cross multiply
    220,159.46x = 303,913.05 × 148,636.35
  4. Step 4: Simplify right side
    220,159.46x = 45,172,526,469.37
  5. Step 5: Solve for x
    x = 45,172,526,469.37/220,159.46
  6. Step 6: Final answer
    x = 205,180.95

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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.