Home / 159,222.08-238,835.51-40,890.80

Finding the Fourth Proportional to 159,222.08, 238,835.51 and 40,890.80

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Solution

The fourth proportional to 159,222.08, 238,835.51 and 40,890.80 is: 61,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,222.08 : 238,835.51 = 40,890.80 : x
  2. Step 2: Convert to fraction form
    159,222.08/238,835.51 = 40,890.80/x
  3. Step 3: Cross multiply
    159,222.08x = 238,835.51 × 40,890.80
  4. Step 4: Simplify right side
    159,222.08x = 9,766,173,673.68
  5. Step 5: Solve for x
    x = 9,766,173,673.68/159,222.08
  6. Step 6: Final answer
    x = 61,336.81

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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.