Home / 135,423.21-203,010.41-46,655.61

Finding the Fourth Proportional to 135,423.21, 203,010.41 and 46,655.61

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Solution

The fourth proportional to 135,423.21, 203,010.41 and 46,655.61 is: 69,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,423.21 : 203,010.41 = 46,655.61 : x
  2. Step 2: Convert to fraction form
    135,423.21/203,010.41 = 46,655.61/x
  3. Step 3: Cross multiply
    135,423.21x = 203,010.41 × 46,655.61
  4. Step 4: Simplify right side
    135,423.21x = 9,471,574,514.90
  5. Step 5: Solve for x
    x = 9,471,574,514.90/135,423.21
  6. Step 6: Final answer
    x = 69,940.56

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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.