Home / 335,919.10-503,878.65-148,930.60

Finding the Fourth Proportional to 335,919.10, 503,878.65 and 148,930.60

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Solution

The fourth proportional to 335,919.10, 503,878.65 and 148,930.60 is: 223,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,919.10 : 503,878.65 = 148,930.60 : x
  2. Step 2: Convert to fraction form
    335,919.10/503,878.65 = 148,930.60/x
  3. Step 3: Cross multiply
    335,919.10x = 503,878.65 × 148,930.60
  4. Step 4: Simplify right side
    335,919.10x = 75,042,949,671.69
  5. Step 5: Solve for x
    x = 75,042,949,671.69/335,919.10
  6. Step 6: Final answer
    x = 223,395.90

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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.