Home / 283,763.21-391,595.94-156,443.36

Finding the Fourth Proportional to 283,763.21, 391,595.94 and 156,443.36

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Solution

The fourth proportional to 283,763.21, 391,595.94 and 156,443.36 is: 215,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,763.21 : 391,595.94 = 156,443.36 : x
  2. Step 2: Convert to fraction form
    283,763.21/391,595.94 = 156,443.36/x
  3. Step 3: Cross multiply
    283,763.21x = 391,595.94 × 156,443.36
  4. Step 4: Simplify right side
    283,763.21x = 61,262,582,657.98
  5. Step 5: Solve for x
    x = 61,262,582,657.98/283,763.21
  6. Step 6: Final answer
    x = 215,893.33

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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.