Home / 203,948.20-305,922.30-93,140.20

Finding the Fourth Proportional to 203,948.20, 305,922.30 and 93,140.20

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Solution

The fourth proportional to 203,948.20, 305,922.30 and 93,140.20 is: 139,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,948.20 : 305,922.30 = 93,140.20 : x
  2. Step 2: Convert to fraction form
    203,948.20/305,922.30 = 93,140.20/x
  3. Step 3: Cross multiply
    203,948.20x = 305,922.30 × 93,140.20
  4. Step 4: Simplify right side
    203,948.20x = 28,493,664,206.46
  5. Step 5: Solve for x
    x = 28,493,664,206.46/203,948.20
  6. Step 6: Final answer
    x = 139,710.30

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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.