Home / 179,213.85-247,313.15-98,639.64

Finding the Fourth Proportional to 179,213.85, 247,313.15 and 98,639.64

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Solution

The fourth proportional to 179,213.85, 247,313.15 and 98,639.64 is: 136,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.85 : 247,313.15 = 98,639.64 : x
  2. Step 2: Convert to fraction form
    179,213.85/247,313.15 = 98,639.64/x
  3. Step 3: Cross multiply
    179,213.85x = 247,313.15 × 98,639.64
  4. Step 4: Simplify right side
    179,213.85x = 24,394,880,083.27
  5. Step 5: Solve for x
    x = 24,394,880,083.27/179,213.85
  6. Step 6: Final answer
    x = 136,121.62

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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.