Home / 155,644.20-233,429.45-71,351.82

Finding the Fourth Proportional to 155,644.20, 233,429.45 and 71,351.82

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Solution

The fourth proportional to 155,644.20, 233,429.45 and 71,351.82 is: 107,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,644.20 : 233,429.45 = 71,351.82 : x
  2. Step 2: Convert to fraction form
    155,644.20/233,429.45 = 71,351.82/x
  3. Step 3: Cross multiply
    155,644.20x = 233,429.45 × 71,351.82
  4. Step 4: Simplify right side
    155,644.20x = 16,655,615,742.34
  5. Step 5: Solve for x
    x = 16,655,615,742.34/155,644.20
  6. Step 6: Final answer
    x = 107,010.83

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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.