Home / 134,633.45-202,114.20-68,039.30

Finding the Fourth Proportional to 134,633.45, 202,114.20 and 68,039.30

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Solution

The fourth proportional to 134,633.45, 202,114.20 and 68,039.30 is: 102,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,633.45 : 202,114.20 = 68,039.30 : x
  2. Step 2: Convert to fraction form
    134,633.45/202,114.20 = 68,039.30/x
  3. Step 3: Cross multiply
    134,633.45x = 202,114.20 × 68,039.30
  4. Step 4: Simplify right side
    134,633.45x = 13,751,708,688.06
  5. Step 5: Solve for x
    x = 13,751,708,688.06/134,633.45
  6. Step 6: Final answer
    x = 102,141.84

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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.