Home / 161,559.16-242,320.20-43,239.73

Finding the Fourth Proportional to 161,559.16, 242,320.20 and 43,239.73

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Solution

The fourth proportional to 161,559.16, 242,320.20 and 43,239.73 is: 64,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559.16 : 242,320.20 = 43,239.73 : x
  2. Step 2: Convert to fraction form
    161,559.16/242,320.20 = 43,239.73/x
  3. Step 3: Cross multiply
    161,559.16x = 242,320.20 × 43,239.73
  4. Step 4: Simplify right side
    161,559.16x = 10,477,860,021.55
  5. Step 5: Solve for x
    x = 10,477,860,021.55/161,559.16
  6. Step 6: Final answer
    x = 64,854.63

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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.