Home / 161,558.12-242,319.99-43,241.42

Finding the Fourth Proportional to 161,558.12, 242,319.99 and 43,241.42

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Solution

The fourth proportional to 161,558.12, 242,319.99 and 43,241.42 is: 64,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,558.12 : 242,319.99 = 43,241.42 : x
  2. Step 2: Convert to fraction form
    161,558.12/242,319.99 = 43,241.42/x
  3. Step 3: Cross multiply
    161,558.12x = 242,319.99 × 43,241.42
  4. Step 4: Simplify right side
    161,558.12x = 10,478,260,461.99
  5. Step 5: Solve for x
    x = 10,478,260,461.99/161,558.12
  6. Step 6: Final answer
    x = 64,857.53

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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.