Home / 331,905.22-458,025.00-188,655.91

Finding the Fourth Proportional to 331,905.22, 458,025.00 and 188,655.91

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Solution

The fourth proportional to 331,905.22, 458,025.00 and 188,655.91 is: 260,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,905.22 : 458,025.00 = 188,655.91 : x
  2. Step 2: Convert to fraction form
    331,905.22/458,025.00 = 188,655.91/x
  3. Step 3: Cross multiply
    331,905.22x = 458,025.00 × 188,655.91
  4. Step 4: Simplify right side
    331,905.22x = 86,409,121,325.23
  5. Step 5: Solve for x
    x = 86,409,121,325.23/331,905.22
  6. Step 6: Final answer
    x = 260,342.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.