Home / 247,151.05-341,348.78-166,438.60

Finding the Fourth Proportional to 247,151.05, 341,348.78 and 166,438.60

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Solution

The fourth proportional to 247,151.05, 341,348.78 and 166,438.60 is: 229,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,151.05 : 341,348.78 = 166,438.60 : x
  2. Step 2: Convert to fraction form
    247,151.05/341,348.78 = 166,438.60/x
  3. Step 3: Cross multiply
    247,151.05x = 341,348.78 × 166,438.60
  4. Step 4: Simplify right side
    247,151.05x = 56,813,612,617.63
  5. Step 5: Solve for x
    x = 56,813,612,617.63/247,151.05
  6. Step 6: Final answer
    x = 229,874.05

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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.