Home / 263,040.20-362,988.10-148,317.80

Finding the Fourth Proportional to 263,040.20, 362,988.10 and 148,317.80

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Solution

The fourth proportional to 263,040.20, 362,988.10 and 148,317.80 is: 204,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,040.20 : 362,988.10 = 148,317.80 : x
  2. Step 2: Convert to fraction form
    263,040.20/362,988.10 = 148,317.80/x
  3. Step 3: Cross multiply
    263,040.20x = 362,988.10 × 148,317.80
  4. Step 4: Simplify right side
    263,040.20x = 53,837,596,418.18
  5. Step 5: Solve for x
    x = 53,837,596,418.18/263,040.20
  6. Step 6: Final answer
    x = 204,674.40

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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.