Home / 134,892.10-202,289.55-68,310.10

Finding the Fourth Proportional to 134,892.10, 202,289.55 and 68,310.10

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Solution

The fourth proportional to 134,892.10, 202,289.55 and 68,310.10 is: 102,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,892.10 : 202,289.55 = 68,310.10 : x
  2. Step 2: Convert to fraction form
    134,892.10/202,289.55 = 68,310.10/x
  3. Step 3: Cross multiply
    134,892.10x = 202,289.55 × 68,310.10
  4. Step 4: Simplify right side
    134,892.10x = 13,818,419,389.46
  5. Step 5: Solve for x
    x = 13,818,419,389.46/134,892.10
  6. Step 6: Final answer
    x = 102,440.54

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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.