Home / 283,619.58-391,412.43-156,295.14

Finding the Fourth Proportional to 283,619.58, 391,412.43 and 156,295.14

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Solution

The fourth proportional to 283,619.58, 391,412.43 and 156,295.14 is: 215,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,619.58 : 391,412.43 = 156,295.14 : x
  2. Step 2: Convert to fraction form
    283,619.58/391,412.43 = 156,295.14/x
  3. Step 3: Cross multiply
    283,619.58x = 391,412.43 × 156,295.14
  4. Step 4: Simplify right side
    283,619.58x = 61,175,860,544.59
  5. Step 5: Solve for x
    x = 61,175,860,544.59/283,619.58
  6. Step 6: Final answer
    x = 215,696.89

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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.