Home / 161,579.39-242,256.64-71,573.24

Finding the Fourth Proportional to 161,579.39, 242,256.64 and 71,573.24

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Solution

The fourth proportional to 161,579.39, 242,256.64 and 71,573.24 is: 107,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,579.39 : 242,256.64 = 71,573.24 : x
  2. Step 2: Convert to fraction form
    161,579.39/242,256.64 = 71,573.24/x
  3. Step 3: Cross multiply
    161,579.39x = 242,256.64 × 71,573.24
  4. Step 4: Simplify right side
    161,579.39x = 17,339,092,636.31
  5. Step 5: Solve for x
    x = 17,339,092,636.31/161,579.39
  6. Step 6: Final answer
    x = 107,310.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.