Home / 422,819.40-634,260.24-183,165.81

Finding the Fourth Proportional to 422,819.40, 634,260.24 and 183,165.81

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Solution

The fourth proportional to 422,819.40, 634,260.24 and 183,165.81 is: 274,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,819.40 : 634,260.24 = 183,165.81 : x
  2. Step 2: Convert to fraction form
    422,819.40/634,260.24 = 183,165.81/x
  3. Step 3: Cross multiply
    422,819.40x = 634,260.24 × 183,165.81
  4. Step 4: Simplify right side
    422,819.40x = 116,174,790,610.39
  5. Step 5: Solve for x
    x = 116,174,790,610.39/422,819.40
  6. Step 6: Final answer
    x = 274,762.20

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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.