Home / 134,696.40-202,336.20-129,739.20

Finding the Fourth Proportional to 134,696.40, 202,336.20 and 129,739.20

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Solution

The fourth proportional to 134,696.40, 202,336.20 and 129,739.20 is: 194,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,696.40 : 202,336.20 = 129,739.20 : x
  2. Step 2: Convert to fraction form
    134,696.40/202,336.20 = 129,739.20/x
  3. Step 3: Cross multiply
    134,696.40x = 202,336.20 × 129,739.20
  4. Step 4: Simplify right side
    134,696.40x = 26,250,936,719.04
  5. Step 5: Solve for x
    x = 26,250,936,719.04/134,696.40
  6. Step 6: Final answer
    x = 194,889.67

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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.