Home / 351,539.46-527,308.36-85,299.76

Finding the Fourth Proportional to 351,539.46, 527,308.36 and 85,299.76

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Solution

The fourth proportional to 351,539.46, 527,308.36 and 85,299.76 is: 127,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,539.46 : 527,308.36 = 85,299.76 : x
  2. Step 2: Convert to fraction form
    351,539.46/527,308.36 = 85,299.76/x
  3. Step 3: Cross multiply
    351,539.46x = 527,308.36 × 85,299.76
  4. Step 4: Simplify right side
    351,539.46x = 44,979,276,553.99
  5. Step 5: Solve for x
    x = 44,979,276,553.99/351,539.46
  6. Step 6: Final answer
    x = 127,949.44

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1.5x scale

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.