Home / 303,618.20-455,427.30-93,228.80

Finding the Fourth Proportional to 303,618.20, 455,427.30 and 93,228.80

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Solution

The fourth proportional to 303,618.20, 455,427.30 and 93,228.80 is: 139,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,618.20 : 455,427.30 = 93,228.80 : x
  2. Step 2: Convert to fraction form
    303,618.20/455,427.30 = 93,228.80/x
  3. Step 3: Cross multiply
    303,618.20x = 455,427.30 × 93,228.80
  4. Step 4: Simplify right side
    303,618.20x = 42,458,940,666.24
  5. Step 5: Solve for x
    x = 42,458,940,666.24/303,618.20
  6. Step 6: Final answer
    x = 139,843.20

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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.