Home / 194,425.40-291,767.70-89,190.20

Finding the Fourth Proportional to 194,425.40, 291,767.70 and 89,190.20

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Solution

The fourth proportional to 194,425.40, 291,767.70 and 89,190.20 is: 133,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,425.40 : 291,767.70 = 89,190.20 : x
  2. Step 2: Convert to fraction form
    194,425.40/291,767.70 = 89,190.20/x
  3. Step 3: Cross multiply
    194,425.40x = 291,767.70 × 89,190.20
  4. Step 4: Simplify right side
    194,425.40x = 26,022,819,516.54
  5. Step 5: Solve for x
    x = 26,022,819,516.54/194,425.40
  6. Step 6: Final answer
    x = 133,844.75

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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.