Home / 446,025.12-668,887.70-161,656.14

Finding the Fourth Proportional to 446,025.12, 668,887.70 and 161,656.14

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Solution

The fourth proportional to 446,025.12, 668,887.70 and 161,656.14 is: 242,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,025.12 : 668,887.70 = 161,656.14 : x
  2. Step 2: Convert to fraction form
    446,025.12/668,887.70 = 161,656.14/x
  3. Step 3: Cross multiply
    446,025.12x = 668,887.70 × 161,656.14
  4. Step 4: Simplify right side
    446,025.12x = 108,129,802,867.20
  5. Step 5: Solve for x
    x = 108,129,802,867.20/446,025.12
  6. Step 6: Final answer
    x = 242,429.85

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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.