Home / 108,795.76-150,096.85-80,183.72

Finding the Fourth Proportional to 108,795.76, 150,096.85 and 80,183.72

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Solution

The fourth proportional to 108,795.76, 150,096.85 and 80,183.72 is: 110,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,795.76 : 150,096.85 = 80,183.72 : x
  2. Step 2: Convert to fraction form
    108,795.76/150,096.85 = 80,183.72/x
  3. Step 3: Cross multiply
    108,795.76x = 150,096.85 × 80,183.72
  4. Step 4: Simplify right side
    108,795.76x = 12,035,323,968.06
  5. Step 5: Solve for x
    x = 12,035,323,968.06/108,795.76
  6. Step 6: Final answer
    x = 110,623.10

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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.