Home / 231,330.84-346,998.74-81,543.24

Finding the Fourth Proportional to 231,330.84, 346,998.74 and 81,543.24

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Solution

The fourth proportional to 231,330.84, 346,998.74 and 81,543.24 is: 122,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.84 : 346,998.74 = 81,543.24 : x
  2. Step 2: Convert to fraction form
    231,330.84/346,998.74 = 81,543.24/x
  3. Step 3: Cross multiply
    231,330.84x = 346,998.74 × 81,543.24
  4. Step 4: Simplify right side
    231,330.84x = 28,295,401,535.52
  5. Step 5: Solve for x
    x = 28,295,401,535.52/231,330.84
  6. Step 6: Final answer
    x = 122,315.73

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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.