Home / 283,983.19-391,883.61-163,039.35

Finding the Fourth Proportional to 283,983.19, 391,883.61 and 163,039.35

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Solution

The fourth proportional to 283,983.19, 391,883.61 and 163,039.35 is: 224,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,983.19 : 391,883.61 = 163,039.35 : x
  2. Step 2: Convert to fraction form
    283,983.19/391,883.61 = 163,039.35/x
  3. Step 3: Cross multiply
    283,983.19x = 391,883.61 × 163,039.35
  4. Step 4: Simplify right side
    283,983.19x = 63,892,449,050.05
  5. Step 5: Solve for x
    x = 63,892,449,050.05/283,983.19
  6. Step 6: Final answer
    x = 224,986.73

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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.