Home / 451,431.77-676,670.22-166,939.52

Finding the Fourth Proportional to 451,431.77, 676,670.22 and 166,939.52

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Solution

The fourth proportional to 451,431.77, 676,670.22 and 166,939.52 is: 250,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,431.77 : 676,670.22 = 166,939.52 : x
  2. Step 2: Convert to fraction form
    451,431.77/676,670.22 = 166,939.52/x
  3. Step 3: Cross multiply
    451,431.77x = 676,670.22 × 166,939.52
  4. Step 4: Simplify right side
    451,431.77x = 112,962,998,341.74
  5. Step 5: Solve for x
    x = 112,962,998,341.74/451,431.77
  6. Step 6: Final answer
    x = 250,232.72

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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.