Home / 231,983.85-347,805.50-74,121.33

Finding the Fourth Proportional to 231,983.85, 347,805.50 and 74,121.33

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Solution

The fourth proportional to 231,983.85, 347,805.50 and 74,121.33 is: 111,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.85 : 347,805.50 = 74,121.33 : x
  2. Step 2: Convert to fraction form
    231,983.85/347,805.50 = 74,121.33/x
  3. Step 3: Cross multiply
    231,983.85x = 347,805.50 × 74,121.33
  4. Step 4: Simplify right side
    231,983.85x = 25,779,805,870.71
  5. Step 5: Solve for x
    x = 25,779,805,870.71/231,983.85
  6. Step 6: Final answer
    x = 111,127.59

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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.