Home / 335,919.60-503,879.40-148,931.10

Finding the Fourth Proportional to 335,919.60, 503,879.40 and 148,931.10

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Solution

The fourth proportional to 335,919.60, 503,879.40 and 148,931.10 is: 223,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,919.60 : 503,879.40 = 148,931.10 : x
  2. Step 2: Convert to fraction form
    335,919.60/503,879.40 = 148,931.10/x
  3. Step 3: Cross multiply
    335,919.60x = 503,879.40 × 148,931.10
  4. Step 4: Simplify right side
    335,919.60x = 75,043,313,309.34
  5. Step 5: Solve for x
    x = 75,043,313,309.34/335,919.60
  6. Step 6: Final answer
    x = 223,396.65

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Similar ratio
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1.5x scale

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.