Home / 147,234.67-220,917.54-53,718.55

Finding the Fourth Proportional to 147,234.67, 220,917.54 and 53,718.55

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Solution

The fourth proportional to 147,234.67, 220,917.54 and 53,718.55 is: 80,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234.67 : 220,917.54 = 53,718.55 : x
  2. Step 2: Convert to fraction form
    147,234.67/220,917.54 = 53,718.55/x
  3. Step 3: Cross multiply
    147,234.67x = 220,917.54 × 53,718.55
  4. Step 4: Simplify right side
    147,234.67x = 11,867,369,918.37
  5. Step 5: Solve for x
    x = 11,867,369,918.37/147,234.67
  6. Step 6: Final answer
    x = 80,601.74

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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.