Home / 305,576.31-458,388.96-116,127.45

Finding the Fourth Proportional to 305,576.31, 458,388.96 and 116,127.45

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Solution

The fourth proportional to 305,576.31, 458,388.96 and 116,127.45 is: 174,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,576.31 : 458,388.96 = 116,127.45 : x
  2. Step 2: Convert to fraction form
    305,576.31/458,388.96 = 116,127.45/x
  3. Step 3: Cross multiply
    305,576.31x = 458,388.96 × 116,127.45
  4. Step 4: Simplify right side
    305,576.31x = 53,231,541,032.95
  5. Step 5: Solve for x
    x = 53,231,541,032.95/305,576.31
  6. Step 6: Final answer
    x = 174,200.48

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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.