Home / 283,809.12-391,724.82-170,610

Finding the Fourth Proportional to 283,809.12, 391,724.82 and 170,610

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Solution

The fourth proportional to 283,809.12, 391,724.82 and 170,610 is: 235,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,809.12 : 391,724.82 = 170,610 : x
  2. Step 2: Convert to fraction form
    283,809.12/391,724.82 = 170,610/x
  3. Step 3: Cross multiply
    283,809.12x = 391,724.82 × 170,610
  4. Step 4: Simplify right side
    283,809.12x = 66,832,171,540.20
  5. Step 5: Solve for x
    x = 66,832,171,540.20/283,809.12
  6. Step 6: Final answer
    x = 235,482.82

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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.