Home / 129,664.07-194,583.58-50,768.45

Finding the Fourth Proportional to 129,664.07, 194,583.58 and 50,768.45

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Solution

The fourth proportional to 129,664.07, 194,583.58 and 50,768.45 is: 76,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,664.07 : 194,583.58 = 50,768.45 : x
  2. Step 2: Convert to fraction form
    129,664.07/194,583.58 = 50,768.45/x
  3. Step 3: Cross multiply
    129,664.07x = 194,583.58 × 50,768.45
  4. Step 4: Simplify right side
    129,664.07x = 9,878,705,652.21
  5. Step 5: Solve for x
    x = 9,878,705,652.21/129,664.07
  6. Step 6: Final answer
    x = 76,186.92

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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.