Home / 331,663.38-457,553.61-216,742.58

Finding the Fourth Proportional to 331,663.38, 457,553.61 and 216,742.58

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Solution

The fourth proportional to 331,663.38, 457,553.61 and 216,742.58 is: 299,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,663.38 : 457,553.61 = 216,742.58 : x
  2. Step 2: Convert to fraction form
    331,663.38/457,553.61 = 216,742.58/x
  3. Step 3: Cross multiply
    331,663.38x = 457,553.61 × 216,742.58
  4. Step 4: Simplify right side
    331,663.38x = 99,171,347,631.95
  5. Step 5: Solve for x
    x = 99,171,347,631.95/331,663.38
  6. Step 6: Final answer
    x = 299,012.05

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1.5x scale

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.