Home / 386,032.24-532,711.56-213,942.88

Finding the Fourth Proportional to 386,032.24, 532,711.56 and 213,942.88

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Solution

The fourth proportional to 386,032.24, 532,711.56 and 213,942.88 is: 295,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,032.24 : 532,711.56 = 213,942.88 : x
  2. Step 2: Convert to fraction form
    386,032.24/532,711.56 = 213,942.88/x
  3. Step 3: Cross multiply
    386,032.24x = 532,711.56 × 213,942.88
  4. Step 4: Simplify right side
    386,032.24x = 113,969,845,355.69
  5. Step 5: Solve for x
    x = 113,969,845,355.69/386,032.24
  6. Step 6: Final answer
    x = 295,234.01

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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.