Home / 232,619.23-320,990.52-130,655.80

Finding the Fourth Proportional to 232,619.23, 320,990.52 and 130,655.80

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Solution

The fourth proportional to 232,619.23, 320,990.52 and 130,655.80 is: 180,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,619.23 : 320,990.52 = 130,655.80 : x
  2. Step 2: Convert to fraction form
    232,619.23/320,990.52 = 130,655.80/x
  3. Step 3: Cross multiply
    232,619.23x = 320,990.52 × 130,655.80
  4. Step 4: Simplify right side
    232,619.23x = 41,939,273,183.02
  5. Step 5: Solve for x
    x = 41,939,273,183.02/232,619.23
  6. Step 6: Final answer
    x = 180,291.51

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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.