Home / 303,819.66-455,784.85-104,160.23

Finding the Fourth Proportional to 303,819.66, 455,784.85 and 104,160.23

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Solution

The fourth proportional to 303,819.66, 455,784.85 and 104,160.23 is: 156,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,819.66 : 455,784.85 = 104,160.23 : x
  2. Step 2: Convert to fraction form
    303,819.66/455,784.85 = 104,160.23/x
  3. Step 3: Cross multiply
    303,819.66x = 455,784.85 × 104,160.23
  4. Step 4: Simplify right side
    303,819.66x = 47,474,654,074.03
  5. Step 5: Solve for x
    x = 47,474,654,074.03/303,819.66
  6. Step 6: Final answer
    x = 156,259.32

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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.