Home / 189,705.41-284,588.99-88,604.56

Finding the Fourth Proportional to 189,705.41, 284,588.99 and 88,604.56

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Solution

The fourth proportional to 189,705.41, 284,588.99 and 88,604.56 is: 132,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,705.41 : 284,588.99 = 88,604.56 : x
  2. Step 2: Convert to fraction form
    189,705.41/284,588.99 = 88,604.56/x
  3. Step 3: Cross multiply
    189,705.41x = 284,588.99 × 88,604.56
  4. Step 4: Simplify right side
    189,705.41x = 25,215,882,239.79
  5. Step 5: Solve for x
    x = 25,215,882,239.79/189,705.41
  6. Step 6: Final answer
    x = 132,921.26

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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.