Home / 161,559.12-242,321.49-43,242.42

Finding the Fourth Proportional to 161,559.12, 242,321.49 and 43,242.42

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Solution

The fourth proportional to 161,559.12, 242,321.49 and 43,242.42 is: 64,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559.12 : 242,321.49 = 43,242.42 : x
  2. Step 2: Convert to fraction form
    161,559.12/242,321.49 = 43,242.42/x
  3. Step 3: Cross multiply
    161,559.12x = 242,321.49 × 43,242.42
  4. Step 4: Simplify right side
    161,559.12x = 10,478,567,645.61
  5. Step 5: Solve for x
    x = 10,478,567,645.61/161,559.12
  6. Step 6: Final answer
    x = 64,859.03

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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.