Home / 129,602.03-194,284.58-109,739.41

Finding the Fourth Proportional to 129,602.03, 194,284.58 and 109,739.41

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Solution

The fourth proportional to 129,602.03, 194,284.58 and 109,739.41 is: 164,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,602.03 : 194,284.58 = 109,739.41 : x
  2. Step 2: Convert to fraction form
    129,602.03/194,284.58 = 109,739.41/x
  3. Step 3: Cross multiply
    129,602.03x = 194,284.58 × 109,739.41
  4. Step 4: Simplify right side
    129,602.03x = 21,320,674,146.89
  5. Step 5: Solve for x
    x = 21,320,674,146.89/129,602.03
  6. Step 6: Final answer
    x = 164,508.80

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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.