Home / 283,729.62-391,539.50-154,670.66

Finding the Fourth Proportional to 283,729.62, 391,539.50 and 154,670.66

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Solution

The fourth proportional to 283,729.62, 391,539.50 and 154,670.66 is: 213,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.62 : 391,539.50 = 154,670.66 : x
  2. Step 2: Convert to fraction form
    283,729.62/391,539.50 = 154,670.66/x
  3. Step 3: Cross multiply
    283,729.62x = 391,539.50 × 154,670.66
  4. Step 4: Simplify right side
    283,729.62x = 60,559,670,150.02
  5. Step 5: Solve for x
    x = 60,559,670,150.02/283,729.62
  6. Step 6: Final answer
    x = 213,441.48

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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.