Home / 146,057.06-219,083.32-74,938.66

Finding the Fourth Proportional to 146,057.06, 219,083.32 and 74,938.66

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Solution

The fourth proportional to 146,057.06, 219,083.32 and 74,938.66 is: 112,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,057.06 : 219,083.32 = 74,938.66 : x
  2. Step 2: Convert to fraction form
    146,057.06/219,083.32 = 74,938.66/x
  3. Step 3: Cross multiply
    146,057.06x = 219,083.32 × 74,938.66
  4. Step 4: Simplify right side
    146,057.06x = 16,417,810,429.15
  5. Step 5: Solve for x
    x = 16,417,810,429.15/146,057.06
  6. Step 6: Final answer
    x = 112,406.83

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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.