Home / 153,579.27-230,400.24-87,049.11

Finding the Fourth Proportional to 153,579.27, 230,400.24 and 87,049.11

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Solution

The fourth proportional to 153,579.27, 230,400.24 and 87,049.11 is: 130,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,579.27 : 230,400.24 = 87,049.11 : x
  2. Step 2: Convert to fraction form
    153,579.27/230,400.24 = 87,049.11/x
  3. Step 3: Cross multiply
    153,579.27x = 230,400.24 × 87,049.11
  4. Step 4: Simplify right side
    153,579.27x = 20,056,135,835.79
  5. Step 5: Solve for x
    x = 20,056,135,835.79/153,579.27
  6. Step 6: Final answer
    x = 130,591.43

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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.