Home / 348,523.38-523,309.95-198,932.58

Finding the Fourth Proportional to 348,523.38, 523,309.95 and 198,932.58

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Solution

The fourth proportional to 348,523.38, 523,309.95 and 198,932.58 is: 298,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,523.38 : 523,309.95 = 198,932.58 : x
  2. Step 2: Convert to fraction form
    348,523.38/523,309.95 = 198,932.58/x
  3. Step 3: Cross multiply
    348,523.38x = 523,309.95 × 198,932.58
  4. Step 4: Simplify right side
    348,523.38x = 104,103,398,493.17
  5. Step 5: Solve for x
    x = 104,103,398,493.17/348,523.38
  6. Step 6: Final answer
    x = 298,698.46

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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.