Home / 135,032.10-202,499.55-68,450.10

Finding the Fourth Proportional to 135,032.10, 202,499.55 and 68,450.10

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Solution

The fourth proportional to 135,032.10, 202,499.55 and 68,450.10 is: 102,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,032.10 : 202,499.55 = 68,450.10 : x
  2. Step 2: Convert to fraction form
    135,032.10/202,499.55 = 68,450.10/x
  3. Step 3: Cross multiply
    135,032.10x = 202,499.55 × 68,450.10
  4. Step 4: Simplify right side
    135,032.10x = 13,861,114,447.46
  5. Step 5: Solve for x
    x = 13,861,114,447.46/135,032.10
  6. Step 6: Final answer
    x = 102,650.51

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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.