Home / 162,112.80-243,313.20-95,469.60

Finding the Fourth Proportional to 162,112.80, 243,313.20 and 95,469.60

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Solution

The fourth proportional to 162,112.80, 243,313.20 and 95,469.60 is: 143,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,112.80 : 243,313.20 = 95,469.60 : x
  2. Step 2: Convert to fraction form
    162,112.80/243,313.20 = 95,469.60/x
  3. Step 3: Cross multiply
    162,112.80x = 243,313.20 × 95,469.60
  4. Step 4: Simplify right side
    162,112.80x = 23,229,013,878.72
  5. Step 5: Solve for x
    x = 23,229,013,878.72/162,112.80
  6. Step 6: Final answer
    x = 143,289.20

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1.5x scale

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.