Home / 331,633.17-457,727.45-210,750.75

Finding the Fourth Proportional to 331,633.17, 457,727.45 and 210,750.75

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Solution

The fourth proportional to 331,633.17, 457,727.45 and 210,750.75 is: 290,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,633.17 : 457,727.45 = 210,750.75 : x
  2. Step 2: Convert to fraction form
    331,633.17/457,727.45 = 210,750.75/x
  3. Step 3: Cross multiply
    331,633.17x = 457,727.45 × 210,750.75
  4. Step 4: Simplify right side
    331,633.17x = 96,466,402,329.33
  5. Step 5: Solve for x
    x = 96,466,402,329.33/331,633.17
  6. Step 6: Final answer
    x = 290,882.85

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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.