Home / 353,002.05-486,896.45-232,104.69

Finding the Fourth Proportional to 353,002.05, 486,896.45 and 232,104.69

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Solution

The fourth proportional to 353,002.05, 486,896.45 and 232,104.69 is: 320,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,002.05 : 486,896.45 = 232,104.69 : x
  2. Step 2: Convert to fraction form
    353,002.05/486,896.45 = 232,104.69/x
  3. Step 3: Cross multiply
    353,002.05x = 486,896.45 × 232,104.69
  4. Step 4: Simplify right side
    353,002.05x = 113,010,948,428.83
  5. Step 5: Solve for x
    x = 113,010,948,428.83/353,002.05
  6. Step 6: Final answer
    x = 320,142.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.