Home / 354,913.60-531,884.40-228,164.80

Finding the Fourth Proportional to 354,913.60, 531,884.40 and 228,164.80

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Solution

The fourth proportional to 354,913.60, 531,884.40 and 228,164.80 is: 341,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,913.60 : 531,884.40 = 228,164.80 : x
  2. Step 2: Convert to fraction form
    354,913.60/531,884.40 = 228,164.80/x
  3. Step 3: Cross multiply
    354,913.60x = 531,884.40 × 228,164.80
  4. Step 4: Simplify right side
    354,913.60x = 121,357,297,749.12
  5. Step 5: Solve for x
    x = 121,357,297,749.12/354,913.60
  6. Step 6: Final answer
    x = 341,934.76

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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.