Home / 179,500.21-247,752.50-111,568.49

Finding the Fourth Proportional to 179,500.21, 247,752.50 and 111,568.49

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Solution

The fourth proportional to 179,500.21, 247,752.50 and 111,568.49 is: 153,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,500.21 : 247,752.50 = 111,568.49 : x
  2. Step 2: Convert to fraction form
    179,500.21/247,752.50 = 111,568.49/x
  3. Step 3: Cross multiply
    179,500.21x = 247,752.50 × 111,568.49
  4. Step 4: Simplify right side
    179,500.21x = 27,641,372,318.73
  5. Step 5: Solve for x
    x = 27,641,372,318.73/179,500.21
  6. Step 6: Final answer
    x = 153,990.75

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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.