Home / 179,177.34-247,161.87-111,992.70

Finding the Fourth Proportional to 179,177.34, 247,161.87 and 111,992.70

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Solution

The fourth proportional to 179,177.34, 247,161.87 and 111,992.70 is: 154,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,177.34 : 247,161.87 = 111,992.70 : x
  2. Step 2: Convert to fraction form
    179,177.34/247,161.87 = 111,992.70/x
  3. Step 3: Cross multiply
    179,177.34x = 247,161.87 × 111,992.70
  4. Step 4: Simplify right side
    179,177.34x = 27,680,325,158.35
  5. Step 5: Solve for x
    x = 27,680,325,158.35/179,177.34
  6. Step 6: Final answer
    x = 154,485.64

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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.