Home / 183,761.20-275,272.72-83,783.86

Finding the Fourth Proportional to 183,761.20, 275,272.72 and 83,783.86

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Solution

The fourth proportional to 183,761.20, 275,272.72 and 83,783.86 is: 125,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,761.20 : 275,272.72 = 83,783.86 : x
  2. Step 2: Convert to fraction form
    183,761.20/275,272.72 = 83,783.86/x
  3. Step 3: Cross multiply
    183,761.20x = 275,272.72 × 83,783.86
  4. Step 4: Simplify right side
    183,761.20x = 23,063,409,657.94
  5. Step 5: Solve for x
    x = 23,063,409,657.94/183,761.20
  6. Step 6: Final answer
    x = 125,507.51

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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.