Home / 235,254.20-324,645.18-127,821.80

Finding the Fourth Proportional to 235,254.20, 324,645.18 and 127,821.80

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Solution

The fourth proportional to 235,254.20, 324,645.18 and 127,821.80 is: 176,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,254.20 : 324,645.18 = 127,821.80 : x
  2. Step 2: Convert to fraction form
    235,254.20/324,645.18 = 127,821.80/x
  3. Step 3: Cross multiply
    235,254.20x = 324,645.18 × 127,821.80
  4. Step 4: Simplify right side
    235,254.20x = 41,496,731,268.92
  5. Step 5: Solve for x
    x = 41,496,731,268.92/235,254.20
  6. Step 6: Final answer
    x = 176,391.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.