Home / 304,023.12-419,551.24-169,887.12

Finding the Fourth Proportional to 304,023.12, 419,551.24 and 169,887.12

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Solution

The fourth proportional to 304,023.12, 419,551.24 and 169,887.12 is: 234,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,023.12 : 419,551.24 = 169,887.12 : x
  2. Step 2: Convert to fraction form
    304,023.12/419,551.24 = 169,887.12/x
  3. Step 3: Cross multiply
    304,023.12x = 419,551.24 × 169,887.12
  4. Step 4: Simplify right side
    304,023.12x = 71,276,351,856.03
  5. Step 5: Solve for x
    x = 71,276,351,856.03/304,023.12
  6. Step 6: Final answer
    x = 234,443.85

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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.