Home / 283,577.07-391,333.21-161,068.62

Finding the Fourth Proportional to 283,577.07, 391,333.21 and 161,068.62

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Solution

The fourth proportional to 283,577.07, 391,333.21 and 161,068.62 is: 222,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,577.07 : 391,333.21 = 161,068.62 : x
  2. Step 2: Convert to fraction form
    283,577.07/391,333.21 = 161,068.62/x
  3. Step 3: Cross multiply
    283,577.07x = 391,333.21 × 161,068.62
  4. Step 4: Simplify right side
    283,577.07x = 63,031,500,094.87
  5. Step 5: Solve for x
    x = 63,031,500,094.87/283,577.07
  6. Step 6: Final answer
    x = 222,272.91

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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.