Home / 283,354.82-424,932.18-83,621.78

Finding the Fourth Proportional to 283,354.82, 424,932.18 and 83,621.78

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Solution

The fourth proportional to 283,354.82, 424,932.18 and 83,621.78 is: 125,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,354.82 : 424,932.18 = 83,621.78 : x
  2. Step 2: Convert to fraction form
    283,354.82/424,932.18 = 83,621.78/x
  3. Step 3: Cross multiply
    283,354.82x = 424,932.18 × 83,621.78
  4. Step 4: Simplify right side
    283,354.82x = 35,533,585,270.88
  5. Step 5: Solve for x
    x = 35,533,585,270.88/283,354.82
  6. Step 6: Final answer
    x = 125,403.14

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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.